Underground Worlds

Yesterday

Tuesday 18 February 2020  12:00 - 13:00 (60 mins)
City of Naours: An underground city beneath a forest in Northern France built to house 3,000 people, an ice cave under Iceland's biggest glacier, and a subterranean power station in London. [S]

Underground Worlds (Yesterday) Tuesday 18 February 2020 12:00 - 13:00