Subterranean Silo Survival

7th March 2022 45 mins Season 2 Episode 9

Exploring old tunnels in an abandoned tin mine beneath the moors of Cornwall. Plus, former Atlas missile siloes in Kansas and tunnels hiding under Valetta.

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Season 2 · Episode 10

Italy's Subterranean Secret

Exploring caves beneath Orvieto in Italy, originally built by the Etruscans long before the Roman Empire. Plus, a former limestone mine under Kansas City.

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