Chinese swimmer Jiao Liuyang, who won the gold medal in the women's 200m butterfly, waves to the welcoming crowd at the Beijing Capital International Airport on Aug 6, 2012. [Photo/Xinhua]

China's Xu Lijia, who won the Olympic women's sailing Laser Radial race, poses with Li Quanhai, deputy director of the Water Sports Administration Center under the State General Administration of Sport of China at Beijing Capital International Airport on Aug 14, 2012. [Photo/Xinhua]