Pascal Wehrlein (GER) Mercedes-Benz F1 W07 Hybrid at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
Jordan King (GBR) Manor Racing MRT05 at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
Max Verstappen (NED) Red Bull Racing RB12 at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
Felipe Massa (BRA) Williams FW38 at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
Kevin Magnussen (DEN) Renault Sport F1 Team RS16 at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
Felipe Massa (BRA) Williams at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
Kevin Magnussen (DEN) Renault Sport F1 Team RS16 with aero sensor at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
Stoffel Vandoorne (BEL) McLaren MP4-31 at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
Jordan King (GBR) Manor Racing MRT05 with aero sensor at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
Esteban Gutierrez (MEX) Haas VF-16 at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
Kevin Magnussen (DEN) Renault Sport F1 Team RS16 at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
Antonio Fuoco (ITA) Ferrari SF16-H at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
Williams FW38 rear wing detail at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
Daniil Kvyat (RUS) Scuderia Toro Rosso STR11 at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
Esteban Gutierrez (MEX) Haas VF-16 at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
Alfonso Celis jr (MEX) Force India VJM09 at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
Ferrari SF16-H rear suspension detail at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
Jordan King (GBR) Manor Racing MRT05 at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
Max Verstappen (NED) Red Bull Racing at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
Ferrari fans and flags at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
Felipe Massa (BRA) Williams at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
Haas VF-16 steering wheel detail at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
Antonio Fuoco (ITA) Ferrari Test and Development Driver at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
Pascal Wehrlein (GER) Mercedes-Benz F1 W07 Hybrid with aero sensors at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
Esteban Gutierrez (MEX) Haas VF-16 at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
Manor Racing MRT05 in the garage at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
Antonio Fuoco (ITA) Ferrari SF16-H at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
Stoffel Vandoorne (BEL) McLaren MP4-31 at Formula One Testing, Day Two, Barcelona, Spain, 18 May 2016. © Sutton Images
A selection of the finest images from the first of this season's two in-season tests, which takes place at Spain's Circuit de Barcelona-Catalunya...
And from Tuesday...
Aero sensor on the Red Bull Racing RB12 at Formula One Testing, Day One, Barcelona, Spain, 17 May 2016. © Sutton Images
Sebastian Vettel (GER) Ferrari SF16-H at Formula One Testing, Day One, Barcelona, Spain, 17 May 2016. © Sutton Images
Alex Lynn (GBR) Williams FW38 with new rear wing at Formula One Testing, Day One, Barcelona, Spain, 17 May 2016. © Sutton Images
Esteban Ocon (FRA) Renault Sport F1 Team RS16 at Formula One Testing, Day One, Barcelona, Spain, 17 May 2016. © Sutton Images
Alfonso Celis jr (MEX) Force India VJM09 at Formula One Testing, Day One, Barcelona, Spain, 17 May 2016. © Sutton Images
Sebastian Vettel (GER) Ferrari with his trainer Antti Kontsas (FIN) at Formula One Testing, Day One, Barcelona, Spain, 17 May 2016. © Sutton Images
Kevin Magnussen (DEN) Renault Sport F1 Team at Formula One Testing, Day One, Barcelona, Spain, 17 May 2016. © Sutton Images
Jenson Button (GBR) McLaren MP4-31 with aero sensors at Formula One Testing, Day One, Barcelona, Spain, 17 May 2016. © Sutton Images
Alfonso Celis jr (MEX) Force India VJM09 at Formula One Testing, Day One, Barcelona, Spain, 17 May 2016. © Sutton Images
Mercedes-Benz F1 W07 Hybrid steering wheel at Formula One Testing, Day One, Barcelona, Spain, 17 May 2016. © Sutton Images
Jenson Button (GBR) McLaren MP4-31 at Formula One Testing, Day One, Barcelona, Spain, 17 May 2016. © Sutton Images
Sebastian Vettel (GER) Ferrari SF16-H at Formula One Testing, Day One, Barcelona, Spain, 17 May 2016. © Sutton Images
Daniel Ricciardo (AUS) Red Bull Racing RB12 at Formula One Testing, Day One, Barcelona, Spain, 17 May 2016. © Sutton Images
Pierre Gasly (FRA) Scuderia Toro Rosso STR11 at Formula One Testing, Day One, Barcelona, Spain, 17 May 2016. © Sutton Images
Esteban Ocon (FRA) Renault Sport F1 Team RS16 at Formula One Testing, Day One, Barcelona, Spain, 17 May 2016. © Sutton Images
Romain Grosjean (FRA) Haas VF-16 at Formula One Testing, Day One, Barcelona, Spain, 17 May 2016. © Sutton Images
Pascal Wehrlein (GER) Manor Racing MRT05 at Formula One Testing, Day One, Barcelona, Spain, 17 May 2016. © Sutton Images
Sebastian Vettel (GER) Ferrari talks with the media at Formula One Testing, Day One, Barcelona, Spain, 17 May 2016. © Sutton Images
Mercedes-Benz F1 W07 Hybrid rear wng at Formula One Testing, Day One, Barcelona, Spain, 17 May 2016. © Sutton Images
Mercedes AMG F1 rera floor, rear wing and rear suspension at Formula One Testing, Day One, Barcelona, Spain, 17 May 2016. © Sutton Images
Nico Rosberg (GER) Mercedes-Benz F1 W07 Hybrid at Formula One Testing, Day One, Barcelona, Spain, 17 May 2016. © Sutton Images
Alex Lynn (GBR) Williams FW38 with aero sensors at Formula One Testing, Day One, Barcelona, Spain, 17 May 2016. © Sutton Images
Max Verstappen (NED) Red Bull Racing talks with Gianpiero Lambiase (ITA) Red Bull Racing Race Engineer at Formula One Testing, Day One, Barcelona, Spain, 17 May 2016. © Sutton Images
Nico Rosberg (GER) Mercedes-Benz F1 W07 Hybrid front wing detail at Formula One Testing, Day One, Barcelona, Spain, 17 May 2016. © Sutton Images
Scuderia Toro Rosso STR11 brake smoke at Formula One Testing, Day One, Barcelona, Spain, 17 May 2016. © Sutton Images
Renault Sport F1 Team RS16 nose and front wing at Formula One Testing, Day One, Barcelona, Spain, 17 May 2016. © Sutton Images
Jenson Button (GBR) McLaren MP4-31 at Formula One Testing, Day One, Barcelona, Spain, 17 May 2016. © Sutton Images
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