Daniil Kvyat (RUS) Scuderia Toro Rosso STR12 at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Nico Rosberg (GER) Mercedes-Benz Ambassador at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Mercedes-Benz F1 W08 Hybrid rear detail at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Mercedes-Benz F1 W08 Hybrid rear wing detail at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
John Booth (GBR) Scuderia Toro Rosso at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Romain Grosjean (FRA) Haas VF-17 pit stop at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Jolyon Palmer (GBR) Renault Sport F1 Team RS17 spins into the gravel at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Sebastian Vettel (GER) Ferrari SF70-H at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Nick Chester (GBR) Renault Sport F1 Team Technical Director and Jolyon Palmer (GBR) Renault Sport F1 Team at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Nico Rosberg (GER) Mercedes-Benz Ambassador at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Marcus Ericsson (SWE) Sauber C36 at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Alfonso Celis jr (MEX) Force India VJM10 at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Daniel Ricciardo (AUS) Red Bull Racing RB13 at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Alfonso Celis jr (MEX) Force India VJM10 at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Daniil Kvyat (RUS) Scuderia Toro Rosso STR12 at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Mercedes-Benz F1 W08 Hybrid rear suspension and rear wing detail at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Romain Grosjean (FRA) Haas VF-17 at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
McLaren MCL32 front wing aero detail at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Sebastian Vettel (GER) Ferrari SF70-H at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Daniel Ricciardo (AUS) Red Bull Racing RB13 at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Nico Rosberg (GER) Mercedes-Benz Ambassador talks with the media at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Fernando Alonso (ESP) McLaren MCL32 at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Dr Helmut Marko (AUT) Red Bull Motorsport Consultant at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Valtteri Bottas (FIN) Mercedes-Benz F1 W08 Hybrid at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Sebastian Vettel (GER) Ferrari SF70-H, Valtteri Bottas (FIN) Mercedes-Benz F1 W08 Hybrid and marshal with yellow flag at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Lance Stroll (CDN) Williams FW40 at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Jolyon Palmer (GBR) Renault Sport F1 Team RS17 at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Lance Stroll (CDN) Williams FW40 at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Romain Grosjean (FRA) Haas VF-17 at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Felipe Massa (BRA) Williams at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Sauber C36 rear wing detail at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Jolyon Palmer (GBR) Renault Sport F1 Team RS17 at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Max Verstappen (NED) Red Bull Racing at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Daniel Ricciardo (AUS) Red Bull Racing RB13 at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Marcus Ericsson (SWE) Sauber C36 at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Lewis Hamilton (GBR) Mercedes-Benz F1 W08 Hybrid pit stop at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Marcus Ericsson (SWE) Sauber C36 and Lewis Hamilton (GBR) Mercedes-Benz F1 W08 Hybrid at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Franz Tost (AUT) Scuderia Toro Rosso Team Principal and Carlos Sainz (ESP) at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Fernando Alonso (ESP) McLaren MCL32 steering wheel detail at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Fernando Alonso (ESP) McLaren MCL32 at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Daniel Ricciardo (AUS) Red Bull Racing RB13 at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Jos Verstappen (NDL), Max Verstappen (NED) Red Bull Racing, Christian Horner (GBR) Red Bull Racing Team Principal and Gianpiero Lambiase (ITA) Red Bull Racing Race Engineer at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Sebastian Vettel (GER) Ferrari SF70-H at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Marcus Ericsson (SWE) Sauber C36 at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Sebastian Vettel (GER) Ferrari SF70-H at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Fernando Alonso (ESP) McLaren MCL32 at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images
Sebastian Vettel (GER) Ferrari talks with the media at Formula One Testing, Day Three, Barcelona, Spain, 1 March 2017. © Sutton Images