A jungle inside a cave? A roof collapse long ago in ... Below the surface, this part of Vietnam is one immense limestone block, says Darryl Granger, a geomorphologist from Purdue University.

especially those looking to conquer Pha Din Pass - one of Vietnam’s four most legendary mountain passes. A rugged and challenging journey Ban Tham Cave is located halfway up a limestone mountain in ...

Son Dung Cave is also called the Great Wall of Vietnam. It is made of Carboniferous and Permian limestone. The age of this cave is estimated to be around 20 to 50 years. The height of the entire ...

Discover the geology and stunning landscapes of Vietnam in this fascinating tour from Hanoi to Hoi An. Experience tropical jungles, limestone caves, blissful villages and amazing feats of ...

The Southeast Asian gem of Vietnam offers natural wonders that will leave travelers awe-struck. From the iconic towering limestone islands of Ha Long Bay to the lush jungles and caves of Phong Nha ...

Vietnam’s beauty goes beyond ... Ba Be National Park is a paradise of limestone peaks, jungles, and Ba Be Lake. Take a boat trip through caves, visit floating villages, and enjoy the untouched ...

Deep in the mountains of Phong Nha - Ke Bang National Park in Quang Binh Province, central Vietnam, small huts and cave dwellings ... the Arem ethnic group living in isolated, steep limestone caves, ...