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Gold medalist Kitazono Takeru of Japan competes during the rings event of artistic gymnastics men's all-around final at the 2018 Summer Youth Olympic Games in Buenos Aires, Argentina on Oct. 11, 2018. (Xinhua/Li Jundong)

Gold medalist Kitazono Takeru of Japan competes during the rings event of artistic gymnastics men's all-around final at the 2018 Summer Youth Olympic Games in Buenos Aires, Argentina on Oct. 11, 2018. (Xinhua/Li Jundong)