China’s Yi Siling poses with her gold medal at the victory ceremony after winning the women’s 10m air rifle final competition at the London 2012 Olympic Games in the Royal Artillery Barracks at Woolwich in southeast London

China's Yi Siling poses with her gold medal. (Kai Pfaffenbach/Reuters)

China’s Yi Siling poses with her gold medal. (Kai Pfaffenbach/Reuters)

China’s Yi Siling poses with her gold medal at the victory ceremony after winning the women’s 10m air rifle final competition at the London 2012 Olympic Games in the Royal Artillery Barracks at Woolwich in southeast London July 28, 2012. REUTERS/Kai Pfaffenbach (BRITAIN – Tags: SPORT OLYMPICS SPORT SHOOTING)