Introduction to Huayan Cave: It is the largest cave in the Nanxiangtang Grottoes. It is 4.9 meters high, 6.3 meters wide and 6.3 meters deep. It is engraved with the Huayan Sutra of Dafang Guangfo, so it is called Huayan Cave. There is a large relief sculpture of the story of the Pure Land of Amitabha in the middle upper part of the south wall of the cave, and there is a relief sculpture of the story of Sakyamuni and the story of the Buddha's Jataka on the upper part of the south central column.