A German WWII roadblock bunker (Strassensperre) located in Normandy, France. The term 'Ankerblock' refers to a specific type of fortified anchor block used in German roadblocks and defensive positions. This site is part of the broader Atlantic Wall fortifications constructed by Nazi Germany along the French coast in preparation for an Allied invasion.
The exact purpose, armament, and construction date of this specific position are not detailed in the provided search results, which focus on contemporary nuclear policy and Middle East conflicts rather than historical European fortifications.