Sun Yang of China poses at the awarding ceremony of men's swimming 400m Freestyle competition at London 2012 Olympic Games in London, Britain, on July 28, 2012. Sun Yang won gold medal in this event and set a new Olympic Record with 3:40.14. [Photo/Xinhua]

Sun Yang of China competes during men's swimming 400m Freestyle Final competition at London 2012 Olympic Games in London, Britain, on July 28, 2012. Sun Yang won gold medal. [Photo/Xinhua]