(From L to R) Akani Simbine of South Africa, Justin Gatlin of the United States and Asafa Powell of Jamaica sprint during the men's 100m final of 2017 Doha IAAF Diamond League in Doha, capital of Qatar, May 5, 2017. Akani Simbine claimed the title with 9.99 seonds. Asafa Powell and Justin Gatlin took the second and fourth place with 10.08 and 10.14 seconds respectively. (Xinhua/Nikku)
