Ключевые слова: blue, clear, cloud, color, day, environment, field, foliage, four, grass, green, harmony, head, horizon, horizontal, land, landscape, lawn, line, lush, meadow, nature, nobody, nonurban, outdoors, park, plain, row, scene, scenics, season, serene, simplicity, sky, solitude, spring, summer, sunlight, sunny, tranquil, tree, trees,