Gallery | IAAF WORLD CHAMPIONSHIP 2015 Day 8 | China Athletics Worlds

The Jamaican men's 4x100m relay team from left, Nesta Carter, Usain Bolt, Nickel Ashmeade and Asafa Powell pose for a photo after winning the gold medal at the World Athletics Championships at the Bird's Nest stadium in Beijing, Saturday, Aug. 29, 2015. (AP Photo/Lee Jin-man)

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