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Nazi directions for a sub to go to the hollow Earth
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"In Hindu and Celtic lore, that some believe shared an ancient connection with a lost antediluvian city, there are caves and underground entrances to sub-terrestrial worlds. Some have connected the Hindu land of Āryāvarta, or “abode of the excellent ones,” a land ruled by a supernal race, thousands of years ago before the great war laid out in the Mahabharata. Many believe this ancient race to be of the same lineage as the ancient civilizations from Atlantis, Lemuria, and Mu who were wiped out by war and cataclysmic events, driving them underground to start a civilization that may be Agartha.
There is another underworld in the Hindu Mahabharata known as Patala that some point to, as it shares many similarities with other depictions of subterranean worlds, though it is said they are at war with the Agarthans. Patala is the seventh layer of the underworld in Hindu scriptures and is ruled by the nagas, a half-human, half-reptilian species who are depicted with jeweled hoods that light their realm. The Naga are a highly advanced race with cutting-edge technology. Occasionally they are said to abduct, torture and kill humans, though other accounts refer to them as having a positive impact on earthly events."
