Olympic Test Event - Marathon

BEIJING - APRIL 20: Chinese students perform traditional martial arts ahead of the "Good Luck Beijing" 2008 Marathon Competition at the National Stadium, or the "Bird's Nest", on April 20, 2008 in Beijing, China. The shows are organised by the local authorities and will perform during the Marathon Competition in the 2008 Beijing Olympic Games. (Photo by Guang Niu/Getty Images)