(L to R) Ralf Juttner, technical director of Audi-Sport, celebrates with France's Loic Duval, Britain's Allan McNish and Denmark's Tom Kristensen after their victory with the Audi R18 E-Tron Quattro Number 2 at the Le Mans 24-hour sportscar race in Le Mans, central France June 23, 2013. REUTERS/Regis Duvignau (FRANCE - Tags: SPORT MOTORSPORT)