
China's Sun Yang competes during 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/Ding Xu)

China's Sun Yang competes during 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/Ding Xu)