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More model informationMain caponier of the underground “Fort de Bron” (69 fr)
- built in 1877
- Séré de Rivières System
- This system was an ensemble of fortifications built from 1874 along the frontiers and coasts of France. The fortresses were obsolescent by 1914 but were used during the First World War.
- Clip Youtube: https://youtu.be/Vy6Heqsb3Z8
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