Ключевые слова: aerial photo, aerial photograph, aerial view, air, aviation, beach, biosphere reserve, bird, coast, ebb, flight, flying, frisia, germany, hallig, halligen, island, islands, landscape, low water, mudflat, mudflats, national park, nature, nature conservation, nature reserve, north frisia, north sea, north sea coast, pellworm, priel, sandbank, schleswigholstein, sea, sky, tide, tideland, tidelands, wadden, wadden sea, water, world natural heritage,