![](https://assets.tv24.co/channels/yesterday-2-l.webp)
Aired Thursday August 1,
6:10am - 7:10amon U&Yesterday
Underground Worlds
Series 2 Episode 10: Italy's Subterranean SecretExploring caves beneath Orvieto in Italy, originally built by the Etruscans long before the Roman Empire. Plus, a former limestone mine under Kansas City.
- Category
- Documentary
- Original air date
- 2022-03-14
Cast and crew