Now cue cave, adventure, and travel photographer Ryan Deboodt, who just released his latest film, exploring this incredible place.
"I’m always impressed with the scale of Hang Son Doong every time I’m there. I find myself just in awe..." Deboodt tells A Plus.
Deboodt's film sends us gliding through Hang Son Doong, with stunning views from both the air and the surface.
Using aerial drones, he captures magnificent views, displaying not only the sheer size of the cave (it's more than 200 meters wide, 150 meters high, and about 9 kilometers long) but also its gorgeous green vegetation and the skylights that allow natural light into the cave.
"The formation of clouds at the dolines, or roof collapses, that then blow through the cave" are among these aspects that Deboodt says make the cave so special.
In one portion of the film, viewers can see light beaming through the cave's open spaces, indicative of both time and beauty.
Deboodt tells A Plus his first time in Hang Son Doong was in 2013. For the film, he embarked on his third trip, which took eight days.
"I had originally learned of the cave from the National Geographic article on it, and as it so happened I was relocating to Vietnam at that same time," says Deboodt. "I started going to the caves in Phong Nha Ke Bang National Park with the assistance of Oxalis."
Since the film's release, many people have taken notice. "It’s been exciting and intense. I still can’t believe that it has happened and [I] am still processing it."
In the four years Deboodt has been a photographer, his work has been featured in Wanderlust, The Guardian, The Telegraph, and online publications such as National Geographic.
Now, Deboodt is working on several personal projects documenting long-term changes in nature. He also has plans to explore and photograph caves in China.
Watch Deboodt's footage of Hang Son Doong here:
Check out more photos from the cave:
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