Ключевые слова: background, banderitsa, bansko, biosphere, bulgaria, clean, clouds, destination, environment, europe, fish, frog, frog lake, grass, green, hiking, hill, lake, landscape, mountain, mountain lake, mountaineering, nature, outdoor, panorama, peak, pirin, pirin mountain, pirin national park, recreation, reserve, reserves, rock, rocks, route, scenery, stone, sun, sunny, tourism, trail, travel, vacation, view, water,