EXPLORE THE WORLD'S BIGGEST CAVE - HANG SON DOONG IN VIETNAM. Step into the unknown. Explore the otherworldly. Son Doong – the world’s largest cave is always a mystery that inspires human to explore, decode and adore a masterpiece of Mother Nature. The cave is so massive that it has its own river, tropical jungle and even weather. 🚩 Tours are still available until the end of August 2019 & 2020 at: https://oxalis.com.vn/tour/son-doong-cave-expedition-4d3n/ | Oxalis Adventure

Vietnam is home to one of the most extraordinary natural wonders on Earth — a cave so massive that it contains its own self-sustaining climate system. Inside this giant cavern are flowing rivers, dense forests, drifting clouds, and unique ecosystems that have evolved in complete isolation. Important Details: • This natural marvel is Son Doong Cave, the largest cave passage ever discovered • Parts of the cave reach heights of over 200 meters, tall enough to fit a 40-story building • Massive openi