Cyclist Lance Armstrong of the US shakes hands with supporters as he takes part in Geoff Thomas's 'One...
Cyclist Lance Armstrong of the U.S. (2ndR) shakes hands with supporters during a break as he takes part in Geoff Thomas's 'One Day Ahead' charity event during a stage of the 102nd Tour de France cycling race from Muret to Rodez, France, July 16, 2015. Disgraced cyclist Lance Armstrong made a low key return to the Tour de France on Thursday when the American cancer survivor set off on a charity ride that follows the route of this year's race. REUTERS/Fred Lancelot