Turkey Formula One Istanbul

epa02180051 German Sebastian Vettel (C) of Red Bull walks away after being forced to retire after a crash with his teammate Australian Mark Webber at Istanbul Park circuit in Istanbul, Turkey on 30 May 2010. Lewis Hamilton won the Turkish Formula One Grand Prix ahead of McLaren team-mate Jenson Button. Mark Webber came third on a Red Bull to retain the world championship lead after losing the race lead in a collision with team-mate Sebastian Vettel.  EPA/STR