Underground Worlds S1E2: Sweden
- Aired: 2019-10-02
- Time: 20:00:00
- Runtime: 60 minutes
Overview
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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