
Liang Xiaojing (3rd R) and Ge Manqi of Team China compete during Women'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)

Liang Xiaojing (3rd R) and Ge Manqi of Team China compete during Women'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)