Ключевые слова: background, bansko, biosphere, bulgaria, bush, clean, clouds, destination, environment, europe, grass, green, 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, summer, sun, sunny, the long, the long lake, tourism, trail, travel, upper, upper vasilashko lake, vacation, vasilashko, view, water,