Monday, October 9, 2017

Kilauea Volcano and Thurston Lava Tube at Hawaii Volcanoes National Park and 50+ Secret Places in America That Most Tourists Don't Know About


Kilauea Volcano and Thurston Lava Tube at Hawaii Volcanoes National Park and 50+ Secret Places in America That Most Tourists Don't Know About


Kilauea Volcano and Thurston Lava Tube at Hawaii Volcanoes National Park and 50+ Secret Places in America That Most Tourists Don't Know About

Kilauea Volcano and Thurston Lava Tube at Hawaii Volcanoes National Park and 50+ Secret Places in America That Most Tourists Don't Know About

Kilauea Volcano and Thurston Lava Tube at Hawaii Volcanoes National Park and 50+ Secret Places in America That Most Tourists Don't Know About

Kilauea Volcano and Thurston Lava Tube at Hawaii Volcanoes National Park and 50+ Secret Places in America That Most Tourists Don't Know About


A lava tube is a natural conduit formed by flowing lava which moves beneath the hardened surface of a lava flow. Tubes can be draining lava from a volcano during an eruption, or can be extinct, meaning the lava flow has ceased and the rock has cooled and left a long cave.

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