Gallery | IAAF WORLD CHAMPIONSHIP 2015 Day 9 | ATHLETICS-WORLD-2015

Jamaica's Stephenie Ann McPherson, Novlene Williams-Mills, Christine Day and Shericka Jackson celebrate after winning the gold medal in the final of the women's 4x400 metres athletics event at the 2015 IAAF World Championships at the "Bird's Nest" National Stadium in Beijing on August 30, 2015. AFP PHOTO / OLIVIER MORIN

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