
Zhang Peimeng (2nd L) of Team China competes with Usain Bolt (1st R) of Team Jamaica during Men's 4x100m Relay Heats on Day 9 of the 2017 IAAF World Championships at London Stadium in London, Britain, on Aug. 12, 2017. (Xinhua/Wang Lili)

Zhang Peimeng (2nd L) of Team China competes with Usain Bolt (1st R) of Team Jamaica during Men's 4x100m Relay Heats on Day 9 of the 2017 IAAF World Championships at London Stadium in London, Britain, on Aug. 12, 2017. (Xinhua/Wang Lili)