Hang Son Doong Map
Nov. 26, 2024
National Geographic Maps - Map of the Day: In April 2009 a British-Vietnamese team began exploring Hang Son Doong, or "mountain river cave." Beneath the rain forest along the Vietnam-Laos border they World's largest cave Son Doong may be even bigger, say Thai rescuers Fly Through A Colossal Cave: Son Doong in 360° Hang Son Doong Map