"Innerterrestrial" Underground Colonization and Alien Life

Published: Jul 20 2021

Let us explore the greatest depths of the Earth in order discover new life-forms or even colonize the vast underground cave network. Imagine an underground city protected from all natural catastrophes that might whipe life out on the surface. Or how about discovering an entirely new ecosystem hidden beneath the surface of the Earth for millions of years?

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the ambient music: "Ambient_Nature_Atmosphere"