The new F1 season is now underway after the opening day of pre-season testing in Spain saw Kimi Raikkonen lead the way for Ferrari - albeit it on a day where none of the eight teams to take to the track completed any meaningful distance.

On-track action started on the same day that Red Bull, Mercedes, Force India, Williams and Caterham all showed off new cars, and a day after Toro Rosso launched the STR9.

The links below will take you to galleries of the various cars after two busy days for our team of photographers at the circuit...

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