The National Stadium is located in the south of the central area of the Beijing Olympic Park, and the main building is the "Bird's Nest". It was the main stadium of the 2008th Olympiad in 29. The total area of the project is 21 hectares, with a construction area of 258,00 square meters. There are 91000,11000 spectator seats in the venue, of which about  are temporary seats. The opening and closing ceremonies of the Olympic and Paralympic Games, track and field competitions and football finals will be held. After the Olympic Games, it will become a large-scale professional venue for Beijing citizens to participate in sports activities and enjoy sports entertainment, and become a landmark sports building and Olympic legacy.