Underground Worlds Season 2 Ireland's Underground Alcatraz 2022
8/10 by 1 users
Exploring hidden defences that have kept Cork Harbour, in Ireland, safe for over 400 years. Plus, a former submarine base in the fjords of northern Norway.
- Released: 2022-02-14
- Runtime: 45 minutes
- Genre: Documentary
- Stars:
- Director:
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