Ключевые слова: bush, bushes, flat, flat country, flat ground, flat land, flats, friesland, frisia, grass, level country, lowland, marsh, marshes, marshland, meadow, meadows, north sea, ocean, plans, saline water, salt marsh, salt marshes, salt water, saltwater, salty water, sea, seawater, swamp, swampland, swamps, water,