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Dmitriy Kachanov of Russia competes during the Men's Pole Vault stage 2 of athletics event at the 2018 Summer Youth Olympic Games in Buenos Aires, Argentina, on Oct.16, 2018. (Xinhua/Li Ming)
Dmitriy Kachanov of Russia competes during the Men's Pole Vault stage 2 of athletics event at the 2018 Summer Youth Olympic Games in Buenos Aires, Argentina, on Oct.16, 2018. (Xinhua/Li Ming)