An American photographer has released a collection of photos of Son Doong Cave, the current largest cave in the world, located in central Vietnam.

U.S. photographer Ryan Deboodt previously created several photo collections to praise the stunning landscape of Son Doong.

In late 2013, the American took a photo series when he traveled to Hang En and Son Doong Caves in Phong Nha-Ke Bang National Park along with members of the British Cave Research Association. 

In early 2015,Deboodt shot a short video of the cave using a drone, a sort of model aircraft mounted with a camcorder or camera.

Son Doong Cave, situated in Quang Binh Province, which has a large fast-flowing underground river inside, was found by a local resident named Ho Khanh in 1991.

The cave became famous after a group of British scientists from the British Cave Research Association, led by Howard and Deb Limbert, conducted a survey in Phong Nha-Ke Bang, which was recognized as a UNESCO World Heritage Site in April 2009.

According to Limbert, Son Doong Cave is five times larger than Phong Nha Cave, which was once considered the biggest cave in Vietnam.

The largest chamber of Son Doong is more than five kilometers long, 200 meters high, and 150 meters wide.

With such large dimensions, Son Doong has overtaken Deer Cave in Malaysia to take the title of the world's largest cave.

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