Take an otherworldly journey through Hang Son Doong, the world’s largest cave, by both ground and air.
Filmed near the entrance and the first and second dolines (skylights) which are 2.5 and 3.5 km inside the cave respectively.
Music: A Glow – Dan Phillipson
Permissions and logistics arranged by Oxalis Adventure
By Ryan Deboodt
Featured on Votiv Earth on March 30th, 2015