Qiliang Cave is found in the north of the ancient city of Fenghuang. In the local area, there is a saying that “no other caves better than Qiliang Cave”. There are mountains in the Qiliang Cave, and buildings in the cave, and there are cliffs, gardens and villages in the cave. The Yinyang river in the cave is the mysterious part of the cave. On the top of the high cave lie bats that signifies the darkness. Behind the water curtain on the riverside is the place where the previous Miao King held prisoners.
Karst is a topography formed from the dissolution of soluble rocks such as limestone, dolomite, and gypsum. It is characterized by underground drainage systems with sinkholes and caves. It has also been documented for more weathering-resistant rocks, such as quartzite, given the right conditions.