Su wins gold with 6.43 seconds at IAAF World Indoor Tour men's 60m

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)