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Secrets of the Underground

Secrets of the Underground

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Scientist Rob Nelson investigates the world's strangest underground locations. He uses the latest technology and research to examine these mysteries.

Secrets of the Underground
Jakso 1
50 minKatsottavissa lauantai 29.11. klo 03:24 saakka
Rob Nelson investigates the mysterious rocks at the bottom of Lake Michigan known as Underwater Stonehenge. Plus, the search for escape tunnels in Alcatraz.
Rob Nelson investigates the mysterious rocks at the bottom of Lake Michigan known as Underwater Stonehenge. Plus, the search for escape tunnels in Alcatraz.

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