The main cave of the empty cave is 910 meters long and the cave is deep. The cave is open seven knives, the spring is playing eight sounds, the pillars are precipitous, the milk flowers are colorful, the world is set up with 400 scenery, the ghosts and the magical work, "the stone is jade and the mountains are shining, the water is pearly and the Sichuan is beautiful", especially the golden turtle love, the three gorges first line of sky, the cuntu three caves, Hongqiao plantain, peach feast, Dianchi waterfall, Jinji independent, The seabed shrine, Shuihua terraces, tiger mouth fighting elephants, stone cave houses and other landscapes are wonderful, strange and strange, the shape of gods, and the wonders of each other, forming a natural landscape of thousands of states. A group of stalactites in the cave that can knock on the sound and conform to the rhythm is called "stone clocks" by the geological and musical circles. Natural stone clock: It is said that these natural "bell clock" grown from stalactites have been cultivated into spirituality, can be tunable, can emit general artificial clocks when playing the basic syllables, and can be compiled into music to play.