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A artist performs during the opening ceremony of the 3rd Summer Youth Olympic Games (YOG) in Buenos Aires, Argentina, on Oct. 6, 2018. (Xinhua/Meng Yongmin)
A artist performs during the opening ceremony of the 3rd Summer Youth Olympic Games (YOG) in Buenos Aires, Argentina, on Oct. 6, 2018. (Xinhua/Meng Yongmin)