Sci. Ch. - Underground Marvels Series 1 (2019) Part 2 Mystery of the Lost Labyrinth

Underground Marvels Series 1 Part 2 Mystery of the Lost Labyrinth

A strange, centuries-old labyrinth built into an abandoned quarry was built by an eccentric millionaire, and no one knows why; but now, a new excavation into this mysterious 9,000-foot tunnel system might finally reveal its dark secrets.

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