The 16-year-old Chinese swimmer stunned the world with two individual medley golds and many records - a world record and an Olympic record - in her Olympic debut. Ye improved the world record in the women's 400m individual medley by more than one second, all the more remarkable as she swam the last 50m in a faster time than U.S. 400m individual medley champion Ryan Lochte.Ye Shiwen poses with her gold medal on the podium during the women's 400m individual medley victory ceremony at the London 2012 Olympic Games at the Aquatics Centre July 28, 2012.[Photo/Agencies]