german ww2 gun batteries at longues-sur-mer, normandie, france

field agriculture grass soil plain prairie grassland sky hill cloud horizon landscape crop farm pasture meadow tree wetland longues sur-mer normandie normandy france duncan brown coastal coast english channel shore beach sand pebble sea ocean dunes cliffs world war june 1940 rommel d-day omaha gold village battery enplacement guns gun cannon cannons batteries german wwii longues-sur-mer