Ключевые слова: background, beautiful, branched, bulgaria, cloud, cold, color, coniferous, country, ecology, environment, fluffy, forest, glade, grass, green, hiking, landscape, leaves, light, mountain, nature, peaceful, pine, plana, scene, scenery, scenic, season, shine, sky, spring, sun, sunlight, top, travel, tree, trees, valley, wild, wilderness, wood,