First Vietnam-Laos transboundary world heritage site designated VnExpress Vietnam and Laos have their first transboundary world heritage site, "Phong Nha - Ke Bang and Hin Nam No National Parks".
Wartime weapon cache discovered in Phong Nha world heritage site VnExpress Located within Phong Nha - Ke Bang National Park, the Command Cave, with its unique stalactites, served as a strategic logistics base, receiving and transporting weapons and supplies to southern Vietnam.