As soon as you step into the outer compartment, you will see stalactites hanging down like soft curtains. The deeper you go inside, the more mysterious, large and small stalactites are carved and carved by nature, creating impressive sculptures and unique architectural blocks. If you tap on the drooping stalactites, depending on the way you tap, a sound like the sound of a gong or a gong will be heard. If you wave your hand horizontally, it will sound like the deep, melodious sound of a silk lute, captivating people's hearts.