Usain Bolt's lightning fast career in photos
August 5, 2012 -- Bolt returns to the center stage of fame after being the first man in history to defend both of his Olympic sprinting titles, winning gold in the 100m and 200m races during the 2012 Summer Olympic Games in London. He also helped Jamaica with gold in the 4x100 relay race, where his team broke the previous world record with a time of 36.84 seconds.
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