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Su Bingtian (R) of China competes during the Men's 60m final of the 2019 IAAF World Indoor Tour in Dusseldorf, Germany, on Feb. 20, 2018. (Xinhua/Lu Yang)
Su Bingtian (R) of China competes during the Men's 60m final of the 2019 IAAF World Indoor Tour in Dusseldorf, Germany, on Feb. 20, 2018. (Xinhua/Lu Yang)