Su Bingtian of China poses with the timer screen after the Men's 60m final of the 2018 IAAF World Indoor Tour in Dusseldorf, Germany, on Feb. 6, 2018. Su Bingtian won the gold with 6.43 seconds. (Xinhua/Luo Huanhuan)
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Su Bingtian of China poses with the timer screen after the Men's 60m final of the 2018 IAAF World Indoor Tour in Dusseldorf, Germany, on Feb. 6, 2018. Su Bingtian won the gold with 6.43 seconds. (Xinhua/Luo Huanhuan)
