Gallery | IAAF WORLD CHAMPIONSHIP 2015 Day 9 | China Athletics Worlds

Jamaica's women's 4x400m really team of Christine Day, Shericka Jackson, Stephenie Ann McPherson and Novlene Williams-Mills World celebrate after winning the gold medal at the Athletics Championships at the Bird's Nest stadium in Beijing, Sunday, Aug. 30, 2015. (AP Photo/Andy Wong)

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