Ключевые слова: amazing, balkans, biosphere, bulgaria, environment, europe, forest, hill, konyarnika, kumata, lake, landmark, landscape, meadow, mountain, mountaineering, natural, outdoors, panorama, park, recreation, reserve, river, scenics, season, seasons, sight, sightseeing, small, snow, sofia, sofia city region, spring, stone, stone river, summer, tourism, travel, tree, trees, view, vitosha, vitosha mountain, wilderness, wood,