Aired Wednesday June 16,
9:00pm - 10:00pmon Yesterday +1
Underground Worlds
Series 1 Episode 10: Dover War RoomsExploring the military headquarters built beneath Dover Castle during the Second World War, and Odessa's catacombs, possibly the largest tunnel network in the world.
- Category
- Documentary
- Original air date
- 2019-09-09
Cast and crew
