Underground Worlds S1E3: Switzerland
- Aired: 2019-10-09
- Time: 20:00:00
- Runtime: 60 minutes
Overview
A look at some of Switzerland 300,000 subterranean bunkers built across history. The extraordinary creation of a local entrepreneur that's shrouded in mystery in Liverpool, England. And, a network of tunnels created by man and today used by adventurous subterranean thrill-seekers deep beneath Slovenia's beautiful landscape.
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