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

Cast:

Chris Jarman

Quality:

HD

Duration:

45 min

First Air:

2019

Rating:

8.0