Article Image
News Link • Geography

Vietnam Hosts Largest Cave

• arclein
By contrast, explorers walked 2.8 miles (4.5 kilometers) into Son Doong, in Phong Nha-Ke Bang National Park, before being blocked by seasonal floodwaters—and they think that the passage is even longer.

Join us on our Social Networks:


Share this page with your friends on your favorite social network: