Secret City of WWI

Smithsonian Channel

Wednesday 3 November 2021  02:00 - 03:00 (60 mins)
The discovery of an underground city in Northern France, where World War I soldiers took refuge. A historian and photographer attempts to connect the names to their descendants.

Secret City of WWI (Smithsonian Channel) Wednesday 3 November 2021 02:00 - 03:00