The incredible underwater lava tunnel that's the world's largest - 4.7 miles long
This massive underwater volcanic tunnel features lava caves, lakes, a concert hall, and a fascinating blend of subterranean ...
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Incredible history behind world's longest underwater volcanic tunnel
Formed over 20,000 years ago from the eruption of the Corona Volcano in northern Lanzarote, this impressive tube stretches ...
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An Enormous Cave Was Discovered On The Moon, And It Provides An Opportunity For Future Exploration Into Lunar Volcanism
They conducted tests on two terrestrial cave systems in Lanzarote, Spain, and the Well of Barhout in Yemen. Sign up for Chip Chick's newsletter and get stories like this delivered to your inbox.