Underground Worlds

Sweden

Series 1 - Episode 2 Sweden

Tomorrow 7:10am - 8am Yesterday
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Summary

A look at Sweden's passion for subterranean spaces and how this nation has taken extraordinary precautions to protect itself - by excavating an astounding 65,000 nuclear bunkers. In south-west England, deep in the Mendip Hills of Somerset, lies one of the most spectacular landscapes in the UK, but beneath this breath-taking landscape sits secret caverns and magical rock formations carved out by nature. Plus, how in Romania, nside a 1.2km-thick layer of salt, sits a world underground first.
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