A huge stalactite at the end of Ken Cave |
Huge stalactites inside Tu Lan Cave. |
The breathtaking beauty of Bi Mat (Secret) Cave that belongs to the Tu Lan cave system. |
Stalactites and stalagmites look like terraces inside Tu Lan Cave in Minh Hoa District, Quang Binh Province. |
A big river with a yellow sandbank in Kim Cave. |
Nuoc Nut Cave |
The only way to get deep into Ken Cave is swimming through its big river. |
Two explorers inside Va Cave. |
The stalactites on the ceiling of Tien Cave look like a sword matrix. |