Underground Worlds

Season 1 Episode 3: Switzerland

A look at some of Switzerland's 300,000 subterranean bunkers, the creation of a local entrepreneur shrouded in mystery in England and a network of tunnels deep beneath Slovenia.

Genre:

Documentary

Seasons:

2

Episodes:

20

Actor:

Chris Jarman

Quality:

HD

Status:

Returning Series

First Air:

2019

IMDb:

8.0