Introduction to the construction and adoption area: The west expansion scenic spot adopts a method of combining government investment and social construction and adoption. The construction is adapted to local conditions and maintains the original topography. It mainly plants trees, with flowers, shrubs and ground cover plants as the main ones. A total of 240 species of metasequoia, ginkgo, triangle maple, involucrata, and other tree species were planted, and 240,000 trees and 120,000 flowering shrubs were planted.