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Xu Jiayu of China is seen before men's 200m backstroke final of swimming at the 18th Asian Games in Jakarta, Indonesia, Aug. 23, 2018. (Xinhua/Pan Yulong)
Xu Jiayu of China is seen before men's 200m backstroke final of swimming at the 18th Asian Games in Jakarta, Indonesia, Aug. 23, 2018. (Xinhua/Pan Yulong)