Underground Worlds

Yesterday

Monday 19 February 2024  07:10 - 08:00 (50 mins)
Ireland's Underground Alcatraz: 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. [S,AD]

Underground Worlds (Yesterday) Monday 19 February 2024 07:10 - 08:00