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China's Zhao Shuai poses during the medal ceremony after the men's -63kg final at the World Taekwondo Championships 2019 in Manchester, Britain on May 19, 2019. Zhao won 27-7. (Xinhua/Jon Super)

China's Zhao Shuai poses during the medal ceremony after the men's -63kg final at the World Taekwondo Championships 2019 in Manchester, Britain on May 19, 2019. Zhao won 27-7. (Xinhua/Jon Super)