Poland's Grzegorz Sudol (L) competes with China's Si Tianfeng during men's 50km walk outside the National Stadium, also known as the Bird's Nest, during Beijing 2008 Olympic Games on August 22, 2008.

China's Li Jianbo (R2) competes with Russia's Denis Nizhegorodov (R1) during men's 50km walk at the National Stadium, also known as the Bird's Nest, during Beijing 2008 Olympic Games on August 22, 2008.

China's Si Tianfeng competes during men's 50km walk at Beijing 2008 Olympic Games on August 22, 2008.

(Xinhua News Agency August 22, 2008)