Liu Xiang walks out of the stadium after retiring from the 110m hurdles preliminary heats at the Beijing Olympic Games on Augusut 18, 2008. [File photo ]
He broke the 13-year-old world record and crowned Olympic champion at Athens. In 2008, he bowed out with an injury, stunning the home crowd at the Bird's Nest. On August 7, 2012, Liu Xiang failed to finish the race.