Introduction to the National Stadium: The National Stadium is located in the south of the central area of ​​Beijing Olympic Park. Its shape resembles an unfolded folding fan. It is one of the three major competition venues for the Beijing 2008 Olympic Games. The venue covers a total area of ​​6.87 hectares, with a total construction area of ​​81,000 square meters and an internal volume of 510,000 cubic meters. It can accommodate up to about 20,000 spectators. It is the largest indoor comprehensive stadium in China. After the Olympic Games, it has become a place integrating sports competitions, It is a citizen activity center that integrates culture and entertainment and provides multi-functional services.