
Rosangela Santos (L) of Brazil leaves the court after she was disqualified during Women's 200m Semifinal on Day 7 of the 2017 IAAF World Championships at London Stadium in London, Britain, on Aug. 10, 2017. (Xinhua/Wang Lili)

Rosangela Santos (L) of Brazil leaves the court after she was disqualified during Women's 200m Semifinal on Day 7 of the 2017 IAAF World Championships at London Stadium in London, Britain, on Aug. 10, 2017. (Xinhua/Wang Lili)