Xu Jiayu of China wins gold medal of Men's 100m Backstroke Final in 18th Asian Games

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Xu Jiayu of China reacts during the awarding ceremony of Men's 100m Backstroke Final in the 18th Asian Games in Jakarta, Indonesia, Aug. 19, 2018. Xu won the gold medal. (Xinhua/Fei Maohua)

Xu Jiayu of China reacts during the awarding ceremony of Men's 100m Backstroke Final in the 18th Asian Games in Jakarta, Indonesia, Aug. 19, 2018. Xu won the gold medal. (Xinhua/Li Xiang)