Gallery | IAAF WORLD CHAMPIONSHIP 2015 Day 2 | ATHLETICS-WORLD-2015

USA's Tyson Gay (L) and Jamaica's Nickel Ashmeade compete in the heats of the men's 100 metres athletics event at the 2015 IAAF World Championships at the "Bird's Nest" National Stadium in Beijing on August 22, 2015. AFP PHOTO / WANG ZHAO

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