When did Underground Worlds Season 1 Episode 9 air?
Underground Worlds Season 1 Episode 9 aired on November 20, 2019.
Underground Worlds
British documentary series exploring incredible feats of human endeavour underground, revealing what people have built, where they have built it, how and why.
Season 1 · Episode 9
Edinburgh Vaults
Nov 20, 2019·45m
The sinister history of Edinburgh's vaults and the development of Helsinki's subterranean spaces. Plus, the impact of the building of Naples on the volcanic ground below.
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Direct answers for episode-level questions and details.
How long is Underground Worlds Season 1 Episode 9?
This episode runs for approximately 45 minutes.
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