Ning Zetao of Henan reacts during the men's 100m freestyle swimming heat at 13th Chinese National Games in north China's Tianjin Municipality, Sept. 3, 2017. Ning Zetao advanced the semi-final with 49.44 seconds. (Xinhua/Ding Xu)
RIGHT BG
Ning Zetao of Henan reacts during the men's 100m freestyle swimming heat at 13th Chinese National Games in north China's Tianjin Municipality, Sept. 3, 2017. Ning Zetao advanced the semi-final with 49.44 seconds. (Xinhua/Ding Xu)
