Ключевые слова: abstract, background, backgrounds, ball, beech, blue, color, concept, conservation, earth, ecology, environment, environmental, europe, field, fresh, germany, global, globe, grass, green, growth, hessen, horizon, karlsaue, kassel, land, landscape, lawn, little, meadow, miniature, natural, nature, panorama, park, peace, planet, plant, round, rural, sky, space, sphere, summer, sun, symbol, tree, world,