Su Bingtian of China sprints during Men's 100m Semifinal on Day 2 of the 2017 IAAF World Championships at London Stadium in London, Britain, on Aug. 5, 2017. (Xinhua/Wang Lili)
In pics: 2017 IAAF World Championships on Aug. 5
Source: Xinhua| 2017-08-07 10:00:23|Editor: Song Lifang