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Cao Yuan of China warms up piror to the men's 3m springboard semifinal of diving event at the Gwangju 2019 FINA World Championships in Gwangju, South Korea on July 17, 2019. (Xinhua/Xia Yifang)
Cao Yuan of China warms up piror to the men's 3m springboard semifinal of diving event at the Gwangju 2019 FINA World Championships in Gwangju, South Korea on July 17, 2019. (Xinhua/Xia Yifang)