Update: 14:07 | 21/02/2022
The cave complex of Dau Rong mountain in Cao Phong town, of the northern mountainous province of Hoa Binh, which is about 1km from National Highway 6, was discovered more than ten years ago. There are many large and small caves, which were named based on their own natural characteristics.
A corner of stalactites in Khong Day (Bottomless) Cavern.
Visitors admire the nooks and crannies in Bottomless Cavern.
The beautiful stalactites hanging down.
Many tourists are amazed by the beauty of the stalactites.
Stalagmites grow from the bottom and stalactites hang from the top, in Bottomless Cavern.
An altar in Bottomless Cave.
Stalactites hang from the top of a small cave in Khong Day Cavern.
Panorama of the entrance to Hoa Son Cavern.
The altar in Hoa Son Cavern.
The stalactites with mysterious shapes in Hoa Son Cavern.