Usain Bolt (JAM) wins the Gold Medal and Justin Gatlin (USA), Tyson Gay (USA), Trayvon Bromell (USA) in 100 Metres Men Final during the IAAF World Championships, Beijing 2015, at the National Stadium, in Beijing, China, Day 2, on August 23, 2015 - Photo Stephane Kempinaire / Julien Crosnier / KMSP / DPPI
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