Introduction to Shuangyue Palace: Shuangyue Palace is located on the side of the path leading to the Immortal Bridge. It has two shallow moon-shaped caves. There is a Tongtian Cave in the upper cave that can lead to the mountain ridge, and is engraved with the goddess of the Mandarin Duck. On the other side of the cave, there is a waterfall, Elephant Trunk Rock and other scenery.