Aru falters, Froome soars in thin air of the Alps

Britain's Chris Froome, wearing the overall leader's yellow jersey, and Italy's Fabio Aru, in tricolor jersey, follow Team Sky riders during the seventeenth stage of the Tour de France cycling race over 183 kilometers . Britain's Chris Froome, wearing the overall leader's yellow jersey, passes a the Union Jack and a French flag as he speeds downhill during the seventeenth stage of the Tour de France cycling race over 183 kilometers .