France's Christophe Moreau signs autographs ahead of the start of the 187km 15th stage of the 93rd Tour de France

Spain's Oscar Pereiro wears the race leader's yellow jersey as the Tour de France resumes just outside Gap

The riders cross the Durance river at the Serre-Poncon Dam as they head for what will be a gruelling mountain climb

Two hors category climbs - the 2,360m Col d'Izoard, and the 21 hairpin bends up L'Alpe d'Huez lie ahead for the riders

The imposing cliffs between Guillestre and Arvieux offer a dramatic backdrop ahead of the famous Col d'Izoard climb

King of the Mountains leader David De la Fuente, extends his lead - finishing second to Stefano Garzelli on Col d'Izoard

Spain's Egoi Martinez has his right arm looked at by a medic after a fall during the 15th stage on the way to Alpe d'Huez

Germany's Jens Voigt (l), Spain's Egoi Martinez (c) and Italy's Damiano Cunego (r) vie for the position during the 15th stage

Frank Schleck celebrates after becoming the first man from Luxembourg to win the Alpe d'Huez stage

The USA's Floyd Landis finishes fourth on stage 15 meaning he takes over the yellow jersey from Oscar Pereiro