Ключевые слова: aerial, background, beautiful, bog, cityscape, clouds, countryside, ecological, ecology, environment, field, grass, grassland, green, habitat, incheon, korea, lake, landmark, landscape, lush, marsh, meadow, mountain, natural, nature, outdoor, outdoors, park, pasture, peaceful, plant, pond, protection, rural, salt, scenery, scenic, sky, summer, swamp, tour, tranquil, travel, tree, vacation, vegetation, view, wetland, wildness,