Wu Dajing (front R) of China competes during men's 500m heat event of short track speed skating at the 2018 PyeongChang Winter Olympic Games at Gangneung Ice Arena, Gangneung, South Korea, Feb. 20, 2018. (Xinhua/Han Yan)
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Wu Dajing (front R) of China competes during men's 500m heat event of short track speed skating at the 2018 PyeongChang Winter Olympic Games at Gangneung Ice Arena, Gangneung, South Korea, Feb. 20, 2018. (Xinhua/Han Yan)
