The Hollow Earth Theory
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History/Mystery
400 Mile Thick Solid Metallic Ball Found Inside Earth’s Core: Underground World?
Beliefs in mysterious underworlds are as old as humanity. But the idea that the earth…
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History/Mystery
Two Mountains 100 Times Higher Than Mt. Everest Found Inside Earth Trigger Hollow Earth Theory
Scientists were able to detect the structures by analysing data on seismic waves that can…