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 Gallery>>>

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 Gallery>>>

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) Photo Gallery>>>

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