More to explore:
Mammoth Cavern, Vietnam
The Hang Son Doong cave in Quang Binh Province, Vietnam. Son Doong is the world’s largest cave, created 2–5 million years ago. A half-mile block of 40-story buildings could fit inside it!
Son Doong Cave
Crystal Cave, Iceland
Wonderful Places - Mammoth cave in Vietnam
Pongua Falls, Vietnam
Kayaking in Emerald Cave, Colorado River in Black Canyon, Arizona
Waterfall, Rocky River Cave, Warren Co,Tennessee, USA.
somewhere this beautiful cave exists for me to discover it
The Son Doong Cave in Vietnam is the biggest cave in the world. It's over 5.5 miles long, has a jungle and river, and could fit a 40-story skyscraper within its walls.