China's Yang smashes 1500m Freestyle world record | London 2012 Replays
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China's Yang smashes 1500m Freestyle world record | London 2012 Replays

China's Sun Yang smashes a 20-year-old world record as he wins the men's 1500m freestyle event at London 2012.

China's Yang smashes 1500m Freestyle world record | London 2012 Replays

China's Sun Yang smashes a 20-year-old world record as he wins the men's 1500m freestyle event at London 2012.