A selection of the best images from the second test of 2017 at Spain's Circuit de Barcelona-Catalunya...
Day 4
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Max Verstappen (NED) Red Bull Racing RB13 with aero sensors at Formula One Testing, Day Four, Barcelona, Spain, 10 March 2017. © Sutton Images
Day 3
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Stoffel Vandoorne (BEL) McLaren MCL32 at Formula One Testing, Day Three, Barcelona, Spain, 9 March 2017. © Sutton Images
Day 2
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Kimi Raikkonen (FIN) Ferrari SF70-H with rear aero sensors at Formula One Testing, Day Two, Barcelona, Spain, 8 March 2017. © Sutton Images
Day 1
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Pascal Wehrlein (GER) Sauber C36 at Formula One Testing, Day One, Barcelona, Spain, 7 March 2017. © Sutton Images