Shiwen breaks 400m IM world record | London 2012 Replays
Ye Shiwen of China shatters the women's 400m individual medley world record with an incredible swim at London 2012.
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Shiwen breaks 400m IM world record | London 2012 Replays
Ye Shiwen of China shatters the women's 400m individual medley world record with an incredible swim at London 2012.
