Underground Worlds

7:10 AM to 8:00 AM

Tuesday 17 September

Hotel Bunker of the Apocalypse

Season 2 Episode 4 of 10

Exploring the secret, Cold War US government bunker hidden under Greenbrier Hotel in West Virginia; Plus, delve into the depths of a former slate mine in Wales, UK.

Underground Worlds airs on U&Yesterday HD at 7:10 AM, Tuesday 17 September. (Subtitles, audio description.)

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Documentary