China's flag-bearer Yi Jianlian, center, holds the national flag as he leads the Chinese contingent in the athletes parade during the opening ceremony of the London 2012 Olympic Games at the Olympic Stadium in London, July 27, 2012. [Photo/Xinhua]

China's Yi Siling reacts 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. Yi Siling won the gold medal to claim China's first gold medal. [Photo/Agencies]