Discovering how France constructed ingenious fortifications, on a massive scale, to defend itself against attacks from the east.
Season 1
06 Episodes - September 16, 2024
S1-E1 Finland
September 16, 2024Go to EpisodeS1-E2 Britain
September 16, 2024Go to EpisodeS1-E3 Poland
September 16, 2024Go to EpisodeS1-E4 The Netherlands
September 16, 2024Go to EpisodeS1-E5 France
September 16, 2024Go to EpisodeS1-E6 Spain
September 16, 2024Go to Episode