Phong Nha- Ke Bang – one of the first Transboundary Natural World Heritage Site in Southeast Asia. Phong Nha-Ke Bang National Park (Viet Nam) and Hin Nam No National Park (Laos) have been officially recognized as the first transboundary natural…


Phong Nha- Ke Bang – one of the first Transboundary Natural World Heritage Site in Southeast Asia. Phong Nha-Ke Bang National Park (Viet Nam) and Hin Nam No National Park (Laos) have been officially recognized as the first transboundary natural…