The loophole is the "22 caves" of the national Taoism "36 caves", composed of Baogui, Yuting, Baisha, Taoyuan, Yujin five caves. Two mountains connect five holes to the first line, the total length is more than 1,500 meters, hook, curve, wear, leak, landscape, the stone pillars, stone crisscrossing the cave and various natural and strange stalactites, thousands of positions, in colorful lights, more revealing confusion, magnificent. Dongqian pavilions, carved beams and paintings, green trees, winding paths, and moon lakes, and various stone inscriptions on the stone wall are dazzling, including the famous works of Li Jing, the famous masterpiece of the Tang Dynasty, and Li Gang, the famous masterpiece of the Southern Song Dynasty, is more than 120 authentic works of Yuan and contemporary Wenhao Guo Moruo and his wife Yu Liqun. Add artistic charm to the loophole.