Introduction to Laosanguan Hall: The front door of Laosanguan Hall is flanked by lion mountains (male on the left and female on the right). It is named after the "Three Officials" dedicated to Tianguan, Diguan, Shuiguan, and the couplet on the door. "The official of the sky, the official of the earth, the official of the water, the official and the official star are shining", and the second line is "The energy of the upper yuan, the middle yuan, and the lower yuan is flowing." There is a Yi Tea at the viewing platform in front of the hall. There is a pair of blue hydrangeas planted at the door. During the flowering season from May to August, the flowers are in full bloom.