Introduction to Yuanyang Lake: Yuanyang Lake, formerly known as "Datangwu Reservoir", is the largest wintering habitat for wild mandarin ducks in Asia and even the world. Yuanyang Lake has the Yuanyang Promenade, the island in the middle of the lake and the Yuelao Temple. It has beautiful mountains and clear waters, luxuriant flowers and leaves, and is dotted with pavilions and pavilions, which contrast with the green trees and has a unique southern lake charm.