How many kilometers around the Ge'ao Reservoir area?

The length of the surrounding area of ??Ge'ao Reservoir is 19.6 kilometers. According to relevant public information inquiries, the Ge'ao Reservoir is a large reservoir. The length of the annular area needs to be long enough to adapt to the scale and shape of the reservoir. The annular area needs to bypass environmental factors such as mountains, rivers, and roads around the reservoir to maintain a certain distance to ensure the safety and stability of the annular area.