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Underground Worlds

  • Season 1
  • 10 episodes
  • Documentary

Summary

Incredible feats of human endeavour, revealing what people have built, where they've built it, how and why.

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Episode 1: Gibraltar

Summary

Incredible feats of human endeavour, revealing what people have built, where they've built it, how and why. The first edition explores deep inside the rock on Gibraltar where there's over 55km complex of tunnels, under London, where 21st-century engineering innovation is paving the way for the ultimate super sewer and continues the legacy of Victorian pioneers and reveals the extraordinary subterranean space of one of Europe's largest and most breath-taking natural cave systems - The Postojna Cave in Slovenia.

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