Why Tian Yan chose Dawodang.

The terrain conditions with low middle and high periphery are suitable for the shape of radio telescope, and the amount of earthwork is small; Away from the town, sparsely populated, less radio signal interference; The terrain surrounded by mountains can block the interference of artificial radio signals; There are many cracks at the bottom of the sinkhole, and the drainage conditions are good.

Impact on local economic development: promote the development of related industries (steel, aluminum, etc.). ); Promoted the construction of infrastructure such as transportation; Increase employment opportunities and promote local economic development; Promote the development of local tourism.