Secret City of WWI

Smithsonian Channel

Friday 31 January 2020  01:00 - 02:00 (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) Friday 31 January 2020 01:00 - 02:00