Longues. Bunker for 150mm German gun. The gun had a range of 20km (12 miles).
The Battery guns were located along the Normandy beaches area.
They were part of the Atlantic Wall, a major fortification line constructed by the Germans during World War II.
WW II. It consisted of an estimated total of 2700 artillery weapons, bunkers and fortifications across 3000 km coastline from the North Cape to the Pyrenean mountains.