(170707) -- LAUSANNE, July 7, 2017 (Xinhua) --— Wayde van Nierkerk (C) of South Africa competes during the men's 400m race at the IAAF Diamond League athletics meeting in Lausanne, Switzerland, July 6, 2017. Wayde van Nierkerk claimed the title with 43.62 seconds. (Xinhua/Ruben Sprich)
