Underground Worlds
Overview
British documentary series exploring incredible feats of human endeavour underground, revealing what people have built, where they have built it, how and why.
RATING
8.0
CREATED BY
COUNTRY
United Kingdom
SEASONS
2
EPISODES
20
GENRE
Documentary
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S02E10
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.
