Ключевые слова: above, abstract, aerial, air, airplane, autumn, background, beauty, blue, bog, color, day, ecology, expedition, fall, fen, flight, fly, flying, grass, green, high, lake, land, landscape, marsh, nature, photo, plain, polar, polygon, river, russia, siberia, sky, structure, summer, swamp, texture, top, tourism, travel, tree, tundra, valley, view, water, wetland, wilderness,