Wang Haohan of Tianjin Delegation competes during the men's 1500m freestyle final at the 2nd Youth Games of the People's Republic of China in Taiyuan, north China's Shanxi Province on Aug. 14, 2019. (Xinhua/Xue Yubin)

Wang Jianjiahe of Liaoning Delegation competes during the women's 1500m freestyle final at the 2nd Youth Games of the People's Republic of China in Taiyuan, north China's Shanxi Province on Aug. 14, 2019. (Xinhua/Xu Chang)

Cheng Long of Shandong Delegation competes during the men's 1500m freestyle final at the 2nd Youth Games of the People's Republic of China in Taiyuan, north China's Shanxi Province on Aug. 14, 2019. (Xinhua/Xu Chang)

Peng Aiyuan of Anhui Delegation competes during the women's 100m breaststroke final at the 2nd Youth Games of the People's Republic of China in Taiyuan, north China's Shanxi Province on Aug. 14, 2019. (Xinhua/Xue Yubin)

Tang Qianting of Shanghai Delegation competes during the women's 100m breaststroke final at the 2nd Youth Games of the People's Republic of China in Taiyuan, north China's Shanxi Province on Aug. 14, 2019. (Xinhua/Xu Chang)

Yang Yifan of Shandong Delegation competes during the women's 200m backstroke final at the 2nd Youth Games of the People's Republic of China in Taiyuan, north China's Shanxi Province on Aug. 14, 2019. (Xinhua/Xu Chang)

Wang Guanbin of Hebei Delegation competes during the men's 200m backstroke final at the 2nd Youth Games of the People's Republic of China in Taiyuan, north China's Shanxi Province on Aug. 14, 2019. (Xinhua/Yang Chenguang)