
Sharika Nelvis (L) of the United States competes during the women's 100m hurdles at the IAAF Diamond League athletics meeting in Lausanne, Switzerland, July 6, 2017. Sharika Nelvis claimed the title with 12.53 seconds. (Xinhua/Ruben Sprich)

Sharika Nelvis (L) of the United States competes during the women's 100m hurdles at the IAAF Diamond League athletics meeting in Lausanne, Switzerland, July 6, 2017. Sharika Nelvis claimed the title with 12.53 seconds. (Xinhua/Ruben Sprich)