Underground Worlds
Switzerland
Season 1 Episode 3 of 10
A look at some of Switzerland's 300,000 subterranean bunkers, built across history. Plus, the extraordinary creation of a Liverpool entrepreneur that's shrouded in mystery, and a network of man-made tunnels used by adventurous subterranean thrill-seekers deep beneath Slovenia's landscape
Underground Worlds airs on Eden at 9:00 AM, Friday 19 April. (Subtitles.)
Topics
News ➝ Current Affairs
Documentary