Largest cave passage in the world, located near the Laos-Vietnam border
Nearby
Phong Nha-Ke Bang
national park in Vietnam
17.53333106.15DMZ (Vietnam)
Vietnam's Demilitarized Zone, or DMZ, is the area around the former border between North and South Vietnam. Historically it was a narrow band of terrain extending from Laos to the coast, five km on either side of the Ben Hai River, roughly on the 17th parallel, north latitude.
16.868106.915Vinh
town in Vietnam
18.6667105.6667Somewhere else
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