
Jamaican Usain Bolt (1st R) sprints during Men's 100m Final on Day 2 of the 2017 IAAF World Championships at London Stadium in London, Britain, on Aug. 5, 2017. Usain Bolt took the bronze with 9.95 seconds.(Xinhua/Wang Lili)

Jamaican Usain Bolt (1st R) sprints during Men's 100m Final on Day 2 of the 2017 IAAF World Championships at London Stadium in London, Britain, on Aug. 5, 2017. Usain Bolt took the bronze with 9.95 seconds.(Xinhua/Wang Lili)