Millions of sports fans around the world were devastated in January 2013 to hear their hero, cyclist Lance Armstrong—once considered a seven-time Tour de France winner—admit that he had taken performance-enhancing drugs during his cycling career. National Geographic Channel attempts to shed light on the dark secrets of Lance Armstrong by recounting the steps that led him to the spotlight on the global cycling stage and the sinister decisions he made that sent his reputation as the world’s greatest cyclist crashing down.
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