Liu Xiang flashback: from 2001-2007

File photo taken on Aug. 28, 2001 shows Chinese hurdler Liu Xiang running in the 110m hurdles final at the 21st World University Games in Beijing, China. Liu Xiang won the gold medal in a time of 13.33 seconds during the event.

File photo taken on Oct, 9, 2002 shows Chinese hurdler Liu Xiang celebrating after winning the gold medal of the men's 110m hurdles with a time of 13.27 seconds at the the 14th Asian Games in Pusan, South Korea. 

File photo taken on Aug. 28, 2003 shows Chinese hurdler Liu Xiang running in the 110m hurdles preliminary at the 9th World Track and Field Tournament in Paris, France. Liu Xiang won the bronze medal with a time of 13.23 seconds during the event