‘A lost world below the surface’: Russian explorers film in world’s biggest cave with drone; RT World News


Viet Nam – Phong Nha-Ke Bang National Park

A group of Russian travelers explored one of the most spectacular yet least visited natural landmarks in the world – the Son Doong Cave located in the jungles of inland Vietnam.

The world’s biggest known cave, formed as a result of a cave in caused by a mountain river at least two million years ago, was stumbled upon by a local logger in 1991, who then lost its location before finding it again in 2009. At at its widest, it measures 150 by 200 meters, stretches for over 5 kilometers, and has a volume of 38,5 million cubic meters, about twice the size of the next largest underground hollow.

Son Doong was entirely closed to visitors until 2013, and the Russian team of six spent a year arranging permits for the trip.

Read more

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s