Usain Bolt of Jamaica celebrates after crossing the finish line to win gold in the Men's 4x100 Metres Relay final during day eight of the 15th IAAF...
{"Image ImageDescription": "BEIJING, CHINA - AUGUST 29:  Usain Bolt of Jamaica celebrates after crossing the finish line to win gold in the Men's 4x100 Metres Relay final during day eight of the 15th IAAF World Athletics Championships Beijing 2015 at Beijing National Stadium on August 29, 2015 in Beijing, China.  (Photo by Cameron Spencer/Getty Images)", "Image Copyright": "2015 Getty Images"}