
Hang Son Doong: the largest cave in the world is in Vietnam and could house a cathedral
There largest cave in the world discovered so far is called Son Doong (in Vietnamese Hang Sơn Đoòng“Mountain River Cave”), and is located in the heart of tropical forest of Vietnamin Quang Binh province. It’s one karst formationoriginating from the erosion of an ancient underground river which, over the course of 2-5 million yearssculpted the limestone substrate creating vast tunnels ...








