==Discovery Inc - Underground Marvels Series 2 (2021) Part 5 Irelands Underground Alcatraz==

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[[http://forums.mvgroup.org/index.php?showtopic=90029|Discovery Inc - Underground Marvels Series 2 (2021) Part 1 Hotel Bunker of the Apocalypse]] {{:fhd.jpg?45|}}  

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**Underground Marvels Series 2 Part 5 Irelands Underground Alcatraz**

Subterranean military fortresses situated on the southern coast of Ireland have protected against enemy invasion for over 400 years, and now, experts investigate how this powerful stronghold transformed into a brutal and terrifying prison.

==See Also==



==Trailer==

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