Ready for launch: The expedition members met in Hanoi for a few days to get to know each other and then took a quick flight to Dong Hoi ... inside Son Doong. Part of the cave ceiling collapsed ...
But researchers recently discovered the cave is even bigger than that. A diving expedition in 2019 revealed that Son Doong is ...
The Extremes crew had trekked for two days through steep valleys covered in lush jungle to reach Hang son Doong cave. Set deep inside ... During the 18-day expedition, the team witnessed this ...
Take an otherworldly journey through Hang Son Doong, the world's largest cave located in Vietnam. The cave is more than 500 feet tall, 650 feet wide, and 29,500 feet long. Video courtesy of Ryan ...