In pictures - the best from Spa-Francorchamps

Romain Grosjean (FRA) Lotus F1 at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Christian Horner (GBR) Red Bull Racing Team Principal at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Marcus Ericsson (SWE) Sauber at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Will Stevens (GBR) Marussia at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Atmosphere at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari in a Ferrari 308 GTS on the drivers parade at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 at the drivers parade at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Roberto Merhi (ESP) Marussia at the drivers parade at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 at the drivers parade at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari and Fernando Alonso (ESP) McLaren at the drivers parade at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Marcus Ericsson (SWE) Sauber at the drivers parade at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Max Verstappen (NDL) Scuderia Toro Rosso at the drivers parade at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Nico Hulkenberg (GER) Force India F1 on the drivers parade at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Drivers observe the National Anthem on the grid at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Nico Hulkenberg (GER) Force India VJM08 is pushed off the grid at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 W06 and Sebastian Vettel (GER) Ferrari SF15-T at the start of the race at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 leads at the start of the race at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 leads at the start of the race at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Start of the race at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Daniil Kvyat (RUS) Red Bull Racing RB11 at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari SF15-T at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari SF15-T locks up at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Felipe Massa (BRA) Williams FW37 and Kimi Raikkonen (FIN) Ferrari SF15-T battle at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Marcus Ericsson (SWE) Sauber C34 at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari SF15-T at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 leads at the start of the race at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Valtteri Bottas (FIN) Williams FW37 at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Sergio Perez (MEX) Force India VJM08 at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

The car of race retiree Daniel Ricciardo (AUS) Red Bull Racing RB11 at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Third placed Romain Grosjean (FRA) Lotus F1 celebrates on the podium with the trophy at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Race winner Lewis Hamilton (GBR) Mercedes AMG F1 and Nico Rosberg (GER) Mercedes AMG F1 celebrate on the podium with the champagne at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Race winner Lewis Hamilton (GBR) Mercedes AMG F1, Nico Rosberg (GER) Mercedes AMG F1 and Romain Grosjean (FRA) Lotus F1 celebrate on the podium with the champagne at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 in parc ferme at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

(L to R): Nico Rosberg (GER) Mercedes AMG F1, race winner Lewis Hamilton (GBR) Mercedes AMG F1 and Romain Grosjean (FRA) Lotus F1 celebrate on the podium at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Race winner Lewis Hamilton (GBR) Mercedes AMG F1 celebrates with the champagne on the podium at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Fans and podium celebrations at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Race winner Lewis Hamilton (GBR) Mercedes AMG F1 celebrates in parc ferme at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Parc ferme celebrations at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 and race winner Lewis Hamilton (GBR) Mercedes AMG F1 celebrate on the podium at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Race winner Lewis Hamilton (GBR) Mercedes AMG F1 W06 crosses the line and takes the chequered flag at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Fernando Alonso (ESP) McLaren MP4-30 at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Romain Grosjean (FRA) Lotus F1 in celebrates in parc ferme at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 leads Sergio Perez (MEX) Force India VJM08 at the start of the race at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Fans and flags at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Romain Grosjean (FRA) Lotus F1 celebrates on the podium at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Race winner Lewis Hamilton (GBR) Mercedes celebrates in parc ferme at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Race winner Lewis Hamilton (GBR) Mercedes AMG F1 celebrates with team at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Race winner Lewis Hamilton (GBR) Mercedes celebrates in parc ferme at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Romain Grosjean (FRA) Lotus F1 celebrates on the podium at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Fans at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 signs autographs for fans at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Romain Grosjean (FRA) Lotus E23 Hybrid and Felipe Massa (BRA) Williams FW37 at the start of the race at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 fans and Union flag at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

The car of race retiree Nico Hulkenberg (GER) Force India VJM08 in the garage at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Mercedes AMG F1 Team celebration at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari SF15-T with rear puncture at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 celebrates with the team at Formula One World Championship, Rd10, Hungarian Grand Prix, Race, Hungaroring, Hungary, Sunday 26 July 2015. © Sutton Motorsport Images

Race winner Lewis Hamilton (GBR) Mercedes AMG F1 celebrates with the teamat Formula One World Championship, Rd10, Hungarian Grand Prix, Race, Hungaroring, Hungary, Sunday 26 July 2015. © Sutton Motorsport Images

Fans on the track at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Sergio Perez (MEX) Force India VJM08 leads Felipe Massa (BRA) Williams FW37 at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Valtteri Bottas (FIN) Williams FW37 at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Carlos Sainz jr (ESP) Scuderia Toro Rosso STR10 at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Race winner Lewis Hamilton (GBR) Mercedes AMG F1 celebrates on the podium with the champagne at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Fernando Alonso (ESP) McLaren MP4-30 at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Felipe Massa (BRA) Williams FW37 at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Niki Lauda (AUT) Mercedes AMG F1 Non-Executive Chairman and Claire Williams (GBR) Williams Deputy Team Principal on the grid at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Grid before formation lap at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Sergio Perez (MEX) Force India VJM08 on the grid at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari SF15-T at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Fans at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Romain Grosjean (FRA) Lotus on the drivers parade at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Marcus Ericsson (SWE) Sauber C34 at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Thrid placed Romain Grosjean (FRA) Lotus celebrates with the team at Formula One World Championship, Rd11, Belgian Grand Prix, Race, Spa Francorchamps, Belgium, Sunday 23 August 2015. © Sutton Motorsport Images

Valtteri Bottas (FIN) Williams FW37 at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Daniil Kyvat (RUS) Red Bull Racing at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Daniil Kvyat (RUS) Red Bull Racing RB11 at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Jenson Button (GBR) McLaren MP4-30 at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 W06 at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Pastor Maldonado (VEN) Lotus E23 Hybrid at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Dr Helmut Marko (AUT) Red Bull Motorsport Consultant, Christian Horner (GBR) Red Bull Racing Team Principal and Toto Wolff (AUT) Mercedes AMG F1 Director of Motorsport at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Will Stevens (GBR) Marussia at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari SF15-T at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 W06 at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Valtteri Bottas (FIN) Williams at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Felipe Nasr (BRA) Sauber C34 at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari SF15-T at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Nico Hulkenberg (GER) Force India VJM08 at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 W06 at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Pastor Maldonado (VEN) Lotus at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Paddy Lowe (GBR) Mercedes AMG F1 Executive Director (Technical) at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Niki Lauda (AUT) Mercedes AMG F1 Non-Executive Chairman at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 W06 at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Mercedes AMG F1 mechanic glove at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Valtteri Bottas (FIN) Williams FW37 at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Maurizio Arrivabene (ITA) Ferrari Team Principal at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Williams Mechanic at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Pole sitter Lewis Hamilton (GBR) Mercedes AMG F1 celebrates in parc ferme at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

The car of Kimi Raikkonen (FIN) Ferrari SF15-T is recovered after stopping on track due to mechanical failure in Q2 at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

(L to R): Nico Rosberg (GER) Mercedes AMG F1, pole sitter Lewis Hamilton (GBR) Mercedes AMG F1 and Valtteri Bottas (FIN) Williams celebrate in parc ferme at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Pole sitter Lewis Hamilton (GBR) Mercedes AMG F1 W06 in parc ferme at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Valtteri Bottas (FIN) Williams and Nico Rosberg (GER) Mercedes AMG F1 celebrate in parc ferme at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Pole sitter Lewis Hamilton (GBR) Mercedes AMG F1 celebrates in parc ferme at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 W06 at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 W06 at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Will Stevens (GBR) Marussia at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Romain Grosjean (FRA) Lotus E23 Hybrid at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Felipe Nasr (BRA) Sauber C34 at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Pastor Maldonado (VEN) Lotus E23 Hybrid at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Fans at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing RB11 at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari SF15-T at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Jenson Button (GBR) McLaren MP4-30 at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Nico Hulkenberg (GER) Force India VJM08 at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Bernie Ecclestone (GBR) CEO Formula One Group (FOM) and Christian Horner (GBR) Red Bull Racing Team Principal at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Marcus Ericsson (SWE) Sauber at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Felipe Massa (BRA) Williams FW37 at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Felipe Massa (BRA) Williams in parc ferme at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Fernando Alonso (ESP) McLaren at Formula One World Championship, Rd11, Belgian Grand Prix, Qualifying, Spa Francorchamps, Belgium, Saturday 22 August 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari SF15-T at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Sergio Perez (MEX) Force India at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Nico Hulkenberg (GER) Force India F1 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing RB11 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Ferrari SF15-T front wing detail at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing RB11 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

James Allison (GBR) Ferrari Chassis Technical Director and Maurizio Arrivabene (ITA) Ferrari Team Principal at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Felipe Massa (BRA) Williams and Rob Smedley (GBR) Williams Head of Vehicle Performance at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Daniil Kyvat (RUS) Red Bull Racing at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Max Verstappen (NDL) Scuderia Toro Rosso STR10 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 W06 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Fernando Alonso (ESP) McLaren MP4-30 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Felipe Massa (BRA) Williams FW37 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Will Stevens (GBR) Manor GP at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Photographers shoot Max Verstappen (NDL) Scuderia Toro Rosso STR10 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Spa-Francorchamps, Spa, Belgium. Friday 21 August 2015. Bernie Ecclestone, CEO and President, FOM, and German TV Channel RTL announce a new extension to their TV rights deal, with RTL reporters and pundits, and German drivers Nico Rosberg, Mercedes AMG, Nico Hulkenberg, Force India, and Sebastian Vettel, Ferrari, in attendance. © Steven Tee/LAT Photographic

Spa-Francorchamps, Spa, Belgium. Friday 21 August 2015. Bernie Ecclestone, CEO and President, FOM, and German TV Channel RTL announce a new extension to their TV rights deal. © Steven Tee/LAT Photographic

Spa-Francorchamps, Spa, Belgium. Friday 21 August 2015. Bernie Ecclestone, CEO and President, FOM, with Nico Rosberg, Mercedes AMG. © Steven Tee/LAT Photographic

Valtteri Bottas (FIN) Williams FW37 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Felipe Nasr (BRA) Sauber C34 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Marcus Ericsson (SWE) Sauber C34 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari SF15-T at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Roberto Merhi (ESP) Marussia at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Jolyon Palmer (GBR) Lotus Test and Reserve Driver at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Christian Horner (GBR) Red Bull Racing Team Principal at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Williams FW37 front wing detail with aero paint at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Carlos Sainz jr (ESP) Scuderia Toro Rosso STR10 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Valtteri Bottas (FIN) at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Romain Grosjean (FRA) Lotus E23 Hybrid at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Sergio Perez (MEX) Force India VJM08 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari SF15-T at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Fernando Alonso (ESP) McLaren MP4-30 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

The car of Nico Rosberg (GER) Mercedes AMG F1 W06 is recovered after suffering a Pirelli tyre blow out in FP2 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

The car of Nico Rosberg (GER) Mercedes AMG F1 W06 is recovered after suffering a Pirelli tyre blow out in FP2 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 W06 talks to the press after suffering a Pirelli tyre blow out in FP2 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari SF15-T at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Max Verstappen (NDL) Scuderia Toro Rosso STR10 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Giampaolo Dall'ara, Sauber Head of Track Engineering, Nick Chester (GBR) Lotus Technical Director, Andrew Green (GBR) Force India Technical Director, James Allison (GBR) Ferrari Chassis Technical Director, Paddy Lowe (GBR) Mercedes AMG F1 Executive Director and Paul Monaghan (GBR) Red Bull Racing Chief Engineer in the Press Conference at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Daniil Kvyat (RUS) Red Bull Racing RB11 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari SF15-T at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Pastor Maldonado (VEN) Lotus E23 Hybrid at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Sergio Perez (MEX) Force India VJM08 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Fernando Alonso (ESP) McLaren MP4-30 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Pastor Maldonado (VEN) Lotus E23 Hybrid at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Fernando Alonso (ESP) McLaren, Jenson Button (GBR) McLaren and Kevin Magnussen (DEN) McLaren Test and Reserve Driver at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Pastor Maldonado (VEN) Lotus E23 Hybrid leads team-mate Romain Grosjean (FRA) Lotus E23 Hybrid at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing RB11 leads Sebastian Vettel (GER) Ferrari SF15-T and Pastor Maldonado (VEN) Lotus E23 Hybrid at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Max Verstappen (NDL) Scuderia Toro Rosso STR10 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Romain Grosjean (FRA) Lotus E23 Hybrid at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Felipe Massa (BRA) Williams FW37 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Felipe Nasr (BRA) Sauber C34 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari SF15-T at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari and Mr Moko (SEN) Chrome Hearts Jewellery at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Jenson Button (GBR) McLaren MP4-30 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing and Simon Rennie (GBR) Red Bull Racing Race Engineer at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Nico Hulkenberg (GER) Force India at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari SF15-T and Pastor Maldonado (VEN) Lotus E23 Hybrid at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

The car of Nico Rosberg (GER) Mercedes AMG F1 W06 is recovered after his Pirelli tyre expolded in FP2 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Sergio Perez (MEX) Force India VJM08 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari SF15-T at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Max Verstappen (NDL) Scuderia Toro Rosso STR10 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Carlos Sainz jr (ESP) Scuderia Toro Rosso STR10 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Valtteri Bottas (FIN) Williams FW37 at Formula One World Championship, Rd11, Belgian Grand Prix, Practice, Spa Francorchamps, Belgium, Friday 21 August 2015. © Sutton Motorsport Images

Paddock at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari walks the track with Riccardo Adami (ITA) Ferrari Race Engineer at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Max Verstappen (NDL) Scuderia Toro Rosso at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Red Bull Racing RB11 rear wing at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Mercedes AMG F1 W06 chassis and front suspension detail at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Marcus Ericsson (SWE) Sauber at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Max Verstappen (NDL) Scuderia Toro Rosso walks the track with Xevi Pujolar (ESP) Scuderia Toro Rosso Engineer at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Maurizio Arrivabene (ITA) Ferrari Team Principal at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 in the Press Conference at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Pastor Maldonado (VEN) Lotus talks with the media at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Will Stevens (GBR) Marussia F1 Team walks the track at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Red Bull Racing RB11 front wheel hub at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Valtteri Bottas (FIN) Williams walks the track with Alex Lynn (GBR) Williams Test and Development Driver at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Ferrari 900th GP graphics are appplied at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Carlos Sainz jr (ESP) Scuderia Toro Rosso at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Sergio Perez (MEX) Force India at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari in the Press Conference at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Sauber C34 nose and front wings at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Track view at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Pastor Maldonado (VEN) Lotus walks the track at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Williams FW37 in the garage at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Electronic grid marker boards at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Fernando Alonso (ESP) McLaren at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Track view and the Eau Rouge Hotel at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Paddock and trucks at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Felipe Massa (BRA) Williams talks with the media at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Valtteri Bottas (FIN) Williams at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Jenson Button (GBR) McLaren and his wife Jessica Button (GBR) at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Mercedes AMG F1 W06 rear wing detail at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Daniil Kyvat (RUS) Red Bull Racing at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

James Allison (GBR) Ferrari Chassis Technical Director at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 talks to the media at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Ferrari SF15-T at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Mercedes AMG F1 W06 front wing detail at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Force India VJM08 at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Nico Hulkenberg (GER) Force India F1 at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Mercedes AMG F1 W06 at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Orange Pirelli tyre at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images

Ferrari SF15-T rear wing detail at Formula One World Championship, Rd11, Belgian Grand Prix, Preparations, Spa Francorchamps, Belgium, Thursday 20 August 2015. © Sutton Motorsport Images