Asafa Powell of Jamaica celebrates after setting the new world record in the 100 meters at the 37 th IAAF Grand Prix meeting in Rieti Sept. 9, 2007. Powell lowered the world 100 meters record on Sunday with a time of 9.74 seconds. (Xinhua/Reuters Photo)

Asafa Powell of Jamaica celebrates after setting the new world record in the 100 meters at the 37 th IAAF Grand Prix meeting in Rieti Sept. 9, 2007. Powell lowered the world 100 meters record on Sunday with a time of 9.74 seconds. (Xinhua/Reuters Photo)

(Xinhua News Agency September 10, 2007)