Spain's Alejandro Valverde leads before Richie Porte of Australia, Roman Kreuziger of the Czech Republic, Christopher Froome of Britain, wearing the overall leader's yellow jersey, and Spain's Alberto Contador, as they climb Manse pass during the sixteenth stage of the Tour de France cycling race over 168 kilometers (105 miles) with start in in Vaison-la-Romaine and finish in Gap, France, Tuesday July 16, 2013.
Christophe Ena Associated Press