A look at 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. Also, the secret caverns and rock formations in Cheddar Gorge in Somerset, UK and an underground first in Romania. |
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Title: | Sweden | |
Air Date: | October 2, 2019 | |
Runtime: | 60 min | |
Tomasthedog : Wtf did I just watch???!