
China's Sun Yang celebrates after winning the men's 400m freestyle final of Swimming at the 17th FINA Aquatics World Championships in Budapest, Hungary on July 23, 2017. Sun Yang claimed the title with 3:41.38. (Xinhua/Gong Bing)

China's Sun Yang celebrates after winning the men's 400m freestyle final of Swimming at the 17th FINA Aquatics World Championships in Budapest, Hungary on July 23, 2017. Sun Yang claimed the title with 3:41.38. (Xinhua/Gong Bing)