A selection of the best images from this week's two-day, post-race test session at the Circuit de Barcelona-Catalunya...
Day Two (Wednesday)
Charles Leclerc (MON) Alfa Romeo Sauber F1 Team at Formula One Testing, Day Two, Barcelona, Spain, Wednesday 16 May 2018. © Jerry Andre/Sutton Images
Day One (Tuesday)
Marshals waces the green flag at Formula One Testing, Day One, Barcelona, Spain, Tuesday 15 May 2018. © Mark Sutton/Sutton Images