Aired Tuesday 20 February,
3:50am - 4:40amon Eden
Underground Worlds
Series 1 Episode 2Exploring Sweden's passion for subterranean spaces, and how the nation has taken extraordinary precautions to protect itself - by excavating an astounding 65,000 nuclear bunkers.
- Category
- Documentary
- Original air date
- 15/07/2019
Cast and crew
