The Beijing National Stadium under construction. The Beijing National Stadium, also known as the bird's nest will be the main track and field stadium for the 2008 Summer Olympics and will be host to the Opening and Closing ceremonies and seat 100,000 peo

The Beijing National Stadium under construction The Beijing National Stadium, also known as the bird's nest will be the main track and field stadium for the 2008 Summer Olympics and will be host to the Opening and Closing ceremonies and seat 100,000 people The stadium is 330 metres long by 220 metres wide, and is 692 metres tall The 250,000 square metre (gross floor area) stadium is built with 36 km of unwrapped steel, with a combined weight of 45,000 tonnes Architects Herzog & de Meuron with ArupSport and China Architecture Design & Research Group. (Photo by Ben McMillan/Construction Photography/Avalon/Getty Images)