More F1 cars revealed as winter testing begins in Spain

The covers were pulled off yet more Formula One cars today as the teams took to the track in the first round of winter testing at Valencia.

Ferrari, Lotus Renault, Sauber and Team Lotus all revealed their 2011 cars yesterday - today it was the turn of Toro Rosso, Williams and Red Bull.

Click on the link below to see the latest pictures and videos from Spain.