Where To Stream Underground Marvels Season 2 Episode 7
Italy's Subterranean Secret
- Aired September 16, 2021
- 60 Min
- Rated 9.0
- Number 8 Of 16 Rated Episodes
An unprecedented landslide unveils a hidden world beneath a picturesque town in northern Italy, and now experts investigate this vast network of tunnels and passageways that stretch 300 feet underground to reveal the city's subterranean past.