Ключевые слова: babreka, background, biosphere, bulgaria, bush, clear, clouds, cloudscape, destination, environment, europe, fog, grass, green, hill, kyustendil region, lake, landmark, landscape, mountain, mountain lakes, mountaineering, nature, outdoor, recreation, reflection, reserves, rila, rila lakes, rila mountains, rock, route, scenery, seven rila lakes, storm, sun, sunny, the kidney, the kidney lake, the seven rila lakes, tourism, trail, travel, trip, vacation, view, water,