Imageview: 6 images comply with your query casemate Alsace "Ligne Maginot" bunker Glasberg "Deuxième Guerre mondiale" "secteur Altkirch" 2012 Hornihof_Observatoire Hornihof_Observatoire_MOM "Second World War" France "Haut Rhin"
You see image 4/6
You see image 4/6