Ключевые слова: abstract, autumn, background, backlight, bare, beautiful, birch, black, blue, blue sky, branch, branches, bright, clear, cloud, cold, contraluz, day, environment, forest, gray, gris, ground, invierno, landscape, nature, oscuro, outdoor, park, plant, ramas, seasonal, seco, silhouette, sky, spring, straight, sun, sunlight, tree, tree branch, tree silhouette, treetop, trunk, twig, view, wallpaper, white, winter, wood,