Introduction to the second entrance to the courtyard: There are five eyes of the Western Kiln on the front platform of the inner courtyard. One in the middle is bright and two are dark, which is called Chonggu Cave. There are three eyes in the south kiln under the platform. Liu Gongquan's mysterious tower is embedded in the middle kiln wall. Sixteen five-character poems are carved on stone. The kiln door has "Guangye" written on it. The "New Virtue" written on the forehead of the three eyes of Beiyao is also one light and two dark. There is a cave dwelling in the outer courtyard, and one hole is the servant's room of the academy. The appearance is a tile-roofed house, and the inside is a cave dwelling, which is warm in winter and cool in summer.