Photo: Beijing Olympic men's 50km walk underway

  2008-08-22 03:06:24 GMT    2008-08-22 11:06:24 (Beijing Time)    Xinhua

Photo: Beijing Olympic men's 50km walk underway

Athletes competes during men's 50km walk at the National Stadium, also known as the Bird's Nest, during Beijing 2008 Olympic Games in Beijing, China, Aug. 22, 2008. (Xinhua/Guo Dayue)

Photo: Beijing Olympic men's 50km walk underway

Germany's Andre Hohne falls down during men's 50km walk at the National Stadium, also known as the Bird's Nest, during Beijing 2008 Olympic Games in Beijing, China, Aug. 22, 2008. (Xinhua/Guo Dayue)

Russia's Denis Nizhegorodov (L) competes during men's 50km walk outside the National Stadium, also known as the Bird's Nest, during Beijing 2008 Olympic Games in Beijing, China, Aug. 22, 2008. (Xinhua/Liao Yujie)

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 in Beijing, China, Aug. 22, 2008. (Xinhua/Liao Yujie)

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 in Beijing, China, Aug. 22, 2008. (Xinhua/Liao Yujie)

China's Zhao Chengliang competes during men's 50km walk outside the National Stadium, also known as the Bird's Nest, during Beijing 2008 Olympic Games in Beijing, China, Aug. 22, 2008. (Xinhua/Chen Kai)

China's Si Tianfeng competes during men's 50km walk at Beijing 2008 Olympic Games in Beijing, China, Aug. 22, 2008. (Xinhua/Chen Kai)