That is not a stone, but a human bone.
Swallow Cave
(Landscape of Shiquan County, Ankang City, Shaanxi Province)
The natural scenery of Yanzi Cave The area is located in the ancient town of Tiirui, 50 kilometers south of Shiquan County. It is located on the bank of Fushui River in the west of Tiirui Town, our county. It is a natural stone cave that is dangerous, strange, secluded and large.
The miraculous Yanzi Cave is a group of caves with many interconnected caves. Due to the erosion and erosion of millions of years of rapids, the cave has rugged cliffs and hanging stalactites. It is like the work of miraculous craftsmanship. Explore During this time, it is like visiting the Dragon Palace under the sea, the art palace, and the mythical world.