Located in the heart of the UNESCO-listed Phong Nha-Ke Bang National Park in Vietnam's Quang Binh province, Hang Son Doong is one of the most captivating destinations that can be experienced in Southeast Asia.
The world’s biggest cave, Son Doong, in the jungle-filled Quang Binh province of central Vietnam, appears to be even bigger than previously thought, according to the US Cable News Network (CNN) Travel.
If you’re planning to participate in any cave tours around the world, Vietnam deserves to be on top of your list. The UNESCO World Heritage Site, Phong Nha – Ke Bang National Park, in the central region of Vietnam is actually home to some of the world’s biggest, most astounding and rarest caves and cave systems ever seen and explored by humankind on Earth.
About the diving expedition in Son Doong Cave to explore and learn about the connection between Son Doong Cave – the world’s largest cave and Hang Thung, a huge cave that found in 1994.