Gallery | IAAF WORLD CHAMPIONSHIP 2015 Day 7 | ATHLETICS-WORLD-2015

(L-R) Britain's Tiffany Porter, USA's Sharika Nelvis, winner Jamaica's Danielle Williams and USA's Brianna Rollins compete in the final of the women's 100 metres hurdles athletics event at the 2015 IAAF World Championships at the "Bird's Nest" National Stadium in Beijing on August 28, 2015. AFP PHOTO / GREG BAKER

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