Phong Nha-Ke Bang National Park as one of seven national parks listed by GoAsean

The ASEAN travel site GoAsean rated Phong Nha-Ke Bang National Park as one of seven national parks that travellers should visit in Southeast Asia.
The Phong Nha-Ke Bang National Park in Vietnam contains the oldest karst system in Asia, between 400-450 million years old. Riddled with hundreds of cave systems, most of the mountainous 885 sq km of Phong Nha-Ke Bang National Park is near-pristine tropical evergreen jungle. Son Doong Cave is in the heart of the Phong Nha Ke Bang National Park. Son Doong Cave is one of the world’s greatest underground hikes offering a number of unique environments to explore.
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