Synopsis

Even with all our advancements, much of the world hidden beneath our feet remains a mystery. What secrets does the Earth hold at its core? Is it truly a solid sphere of dense metals, or might it be a hollow space, as some scientists suggest? And how much of human history has unfolded in the darkness below? Recent finds like the subterranean city of Derinkuyu and the Malta Hypogeum hint at a hidden world of structures yet to be unearthed. If so much of our past was lived underground, could our fu