Introduction to Tianmen Cave: is the world's highest natural through-mountain cave. It hangs on a cliff more than 1,300 meters above sea level. It is 131.5 meters high, 57 meters wide and 60 meters deep. It emits clouds and fog all year round, shocking the world. At the same time, it is also a legendary place that is always focused on by the world, synonymous with the birthplace of miracles.