Tomorrow,
6:10am - 7:10amon U&Yesterday
Underground Worlds
Series 2 Episode 6: Ireland's Underground AlcatrazExploring 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.
- Category
- Documentary
- Original air date
- 14/02/2022
Cast and crew