Gallery | IAAF WORLD CHAMPIONSHIP 2015 Day 5 | APTOPIX China Athletics Worlds

Jamaica's Usain Bolt, left, and South Africa's Anaso Jobodwana laugh after finishing a men's 200m semifinal at the World Athletics Championships at the Bird's Nest stadium in Beijing, Wednesday, Aug. 26, 2015. (AP Photo/Mark Schiefelbein)

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