Photo taken on May 16, 2008 shows a light in the shape of the National Stadium. The National Stadium, also known as the bird's nest will be the main track and field stadium for the 2008 Summer Olympic Games and serves as venue to the Opening and Closing ceremonies of the games.(Xinhua Photo)

Photo taken on May 16, 2008 shows the translucent roof of the National Stadium. The National Stadium, also known as the bird's nest will be the main track and field stadium for the 2008 Summer Olympic Games and serves as venue to the Opening and Closing ceremonies of the games. (Xinhua Photo)