Great Britain's Christopher Froome (2ndL) wearing the overall leader's yellow jersey, rides behind his teammates of Great Britain's Sky cycling team during the 223.5 km fourth stage of the 102nd edition of the Tour de France cycling race on July 7, 2015, between the Belgian city of Seraing and Cambrai, northern France.  AFP PHOTO / JEFF PACHOUD        (Photo credit should read JEFF PACHOUD/AFP/Getty Images)