Secret City of WWI

Smithsonian Channel

Sunday 8 March 2020  00:00 - 01:00 (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) Sunday 8 March 2020 00:00 - 01:00