Secret City of WWI

Smithsonian Channel

Thursday 30 January 2020  22:00 - 23:00 (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) Thursday 30 January 2020 22:00 - 23:00