Introduction to the dragon-shaped water system: The "dragon-shaped water system" in the Olympic Park is composed of the "Olympic Lake", the main scenery of the Forest Park, and the landscape river stretching in the east of the park. In this water system, the dragon's body Meandering through the forest park, the open dragon's mouth faces the Qinghe River, while its tail surrounds the National Stadium, integrating with the surrounding environment to form a benign ecological water circulation system and a natural and harmonious ecological landscape.