Introduction to the Stone Lion Tunnel: It is located between Yimen and the main hall. It is 35 meters long and 4 meters wide. It is made of stone railings. It is the only stone lion tunnel in Guan Temple in my country and is known as "Luoyang Xiaolu". ditch". There are 104 stone lions carved on the top of the Yong pillar. The lions are in various shapes, round and vivid, without the stiffness of stone carvings. They represent the highest achievement of stone carving art in the Central Plains during the Qianlong period.