Giant tubes were discovered deep underground Jeju Island…How they got there is even more interesting

This incredible natural phenomenon has had people coming from all across the globe to explore it!

The beautiful Jeju Island has more than meets the eye, deep underground there is a hidden maze, of giant lava tubes that span for miles. A lava tube is a natural conduit formed by flowing lava which moves beneath the hardened surface of a lava flow. After volcanoes go extinct, tubes will drain and be left as long tunnel like chasms underground. In Jeju korea lies the Geomunoreum Lava Tube System, the 100,000 to 300,000 year old tubes have people coming from all corners of the world just to take a peek! Check out photos below.

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These cones have such an eerie look to them..
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Lights on the side show the vibrant colors that nature has painted over the tubes!
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Now THAT is cool.
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Although they seem haunted, there is surely something beautiful about them no?
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The world’s largest lava column! What a beast.
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Knowing that these were made by nature will take your breath away.

Source: Easy Science for Kids, Bhaya Cruises, Amusing Planet, CNN, Cultural Heritage Administration of Korea, and World Heritage Site