Nat.Geo. - Drain the Oceans Series 3 (2020) Part 9 Chicago

Drain the Oceans Series 3

Using advanced underwater scanning systems, scientific data and art digital recreations, the 10-part factual program will look to solve modern and ancient mysteries from beneath the ocean waves.

Part 9 Chicago

Chicago's extraordinary past emerges from the waters of Lake Michigan, Underwater exploration reveals astonishing secrets terrifying disasters, war-winning heroics and an engineering marvel that saves the city.

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