The Great Underground War
A five-part series that explores the forgotten story of the incredible engineering feats and secret survival techniques of five legendary battles fought underground during World War I.A five-part series that explores the forgotten story of the incredible engineering feats and secret survival techniques of five legendary battles fought underground during World War I.
Starring Andy Hawkins, Julia Richardson
It's a documentary and war show, and has a rating of 6.5 out of 10 from Imdb which is usually fine for this kind of show.
Watch it here
Not found streaming from Norway.