The structure intended for 91 000 spectator required 70 000 tons of steel prepared with special formula, which excluded the danger of collapse.
For holding the 29th Olympic Games in Beijing (Peking) the Chinese built the biggest bird’s nest in the world – Beijing’s national, multifunctional sport complex. The “Bird’s Nest” is considered to be the most expensive sport complex of the 21st contort: the project budget amounted $ 423 million.
The structure intended for 91 000 spectator required 70 000 tons of steel prepared with special formula, which excluded the danger of collapse.
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