F1 has returned to track action at the Bahrain International Circuit in the search for more knowledge of the new generation of cars ahead of the new season.
The second pre-season test promises more representative running conditions with air and track temperatures more race-like than the chilly Barcelona outing two weeks ago.
All 10 teams have arrived with updated cars and finalised liveries ahead of the first round of the new campaign next weekend, with GPFans pulling together all the best shots of the day.