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Sun Yang of China competes during the men's 800m freestyle final at the Gwangju 2019 FINA World Championships in Gwangju, South Korea, July 24, 2019. (Xinhua/Li Gang)
Sun Yang of China competes during the men's 800m freestyle final at the Gwangju 2019 FINA World Championships in Gwangju, South Korea, July 24, 2019. (Xinhua/Li Gang)