description About
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.
Info
- verified Status: Returning Series
- person By: Unknown
- calendar_month Release Date: 2019-10-09
- video_camera_front Companies
- tag Season: Season 1
- timer Episode Runtime: 45 Mins
- star Rating: 0 / 10
- visibilityViews: 2 views
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