Introduction to Xiaoyundou: Xiaoyundou is located on the south side of Yiye Hall. It is a rockery shaped like a cloud. It is passable by people on the top and there is a cave below. Due to its long history, there are myths and legends about the green dragon turning into a tree and the dragon cloud fossil. . The ancient locust trees, Wulaofeng and Xiaoyundou are coordinated with the buildings and patterned floors to form the main landscape in front of Yiye Hall.