Su Bingtian of China reacts 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)
Su Bingtian of China reacts 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)