Hackenberg fortification, 1929-1935. Hackenberg was part of Ligne Maginot, a series of fortified sites between Luxembourg and the Mediterranean sea built to…
Geology inside the complex.
The fortification was used in 1940 during the German invasion of France and was not defeated, however, upon the French capitulation, the fortification was…
The fortification was similar to a submarine: it could be used for several months without any physical contact from outside. Airtight gates and filters were set…
When the Germans left the blocks in 1944 they blew up the amnos. The heavily fortified gates were dammaged by the blow.
Kitchen.
Kitchen.
Kitchen.
Electricity power plant.
Electricity power plant.
Electricity power plant.
Air filters.
