Imageview: 2 images comply with your query casemate France "secteur Altkirch" Strengwald Strengwald_Nord Bettlach bunker Strengwald_1 2012 "Second World War" "Deuxième Guerre mondiale" "Ligne Maginot" Alsace Encuvement_Strengwald_Nord "Haut Rhin"
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You see image 1/2