Sơn Đoòng Virtual Reality Tour

Sơn Đoòng Virtual Reality Tour

About Sơn Đòong Cave Sơn Đoòng cave was formed by the Rào Thương river eroding away the limestone underneath the Annamite Mountains (Dãy Trường Sơn) about 3 million years ago. Sơn Đoòng is now considered the world’s largest natural cave up to date with the 5km length,...