The National Stadium also known as “bird’s nest”, is the main stadium of the 29th Olympic Games in 2008. Occupying an area of 21 hectares, it has a floor space of 258,000 square meters. Its seating capacity amounts to 91,000, including 11,000 temporary seats. After the Olympics, the stadium becomes a large-scale sports and entertainment facility for the residents of Beijing – an architectural landmark and Olympic legacy.