Gallery | IAAF WORLD CHAMPIONSHIP 2015 Day 6 | ATHLETICS-WORLD-2015

USA's Allyson Felix reacts next to Bahamas' Shaunae Miller (R) as she wins the final of the women's 400 metres athletics event at the 2015 IAAF World Championships at the "Bird's Nest" National Stadium in Beijing on August 27, 2015. AFP PHOTO / OLIVIER MORIN

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