Ключевые слова: autumn, background, bulgaria, bush, clouds, destination, environment, europe, fall, forest, green, hiking, hill, ice, landmark, landscape, lovnitsa, malyovitsa, mechit, mountain, mountaineering, musala, national park, nature, outdoor, panorama, park, peak, popova kapa, recreation, rila, rila mountain, rila national park, rock, rocks, route, scenery, sights, sightseeing, ski, snow, sofia region, stone, sunny, tourism, trail, travel, vacation, view, water,