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Katsuki Hayato of Japan celebrates after men's 50km walk of athletics at the 18th Asian Games in Jakarta, Indonesia on Aug. 30, 2018. Katsuki won the gold medal. (Xinhua/Wang Lili)?
Katsuki Hayato of Japan celebrates after men's 50km walk of athletics at the 18th Asian Games in Jakarta, Indonesia on Aug. 30, 2018. Katsuki won the gold medal. (Xinhua/Wang Lili)?