SAINT-LARY PLA D'ADET, FRANCE - JULY 23: Vincenzo Nibali of Italy and Astana Pro Team retains the race leader's yellow jersey after stage seventeen of the 2014 Tour de France, a 125 km road stage from Saint-Gaudens to Saint-Lary Pla d'Adet on July 23, 2014 in Saint-Lary Pla d'Adet, France. (Photo by Jean Catuffe/Getty Images)