Ключевые слова: background, beach, beacon, blue, blue sky, building, cloud, coast, coastline, dune, europe, germany, helgoland, heligoland, house, iceland, iceland dune, landmark, landscape, light, lighthouse, maritime, nature, nautical, navigation, navigational, night, north sea, ocean, red, safety, sea, shore, sky, sunset, tower, travel, warning, water, white,