1 long from south to north, wide 294 33.3: covers 20.4 hectares, Can accommodate 91,000 name audience
2 the bird's nest is the world's largest steel structure building stadiums
3 during the Olympic Games opening and closing ceremony was held on the track, and the football game, After the Olympic Games can be used for domestic and international sports and other large-scale cultural and recreational activities
4 the nest for Chinese architecture is a proud