Ключевые слова: babreka, balkan, beautiful, beauty, bulgaria, bulgarian, environment, europe, european, explore, grass, green, high, highland, hike, hiking, hill, horizontal, lake, landmark, landscape, meadow, mount, mountain, natural, nature, outdoor, outside, peak, picturesque, range, rila, rock, rocky, rural, scene, scenery, seven, seven rila lakes, stone, summer, summit, terrain, tourism, tourist, travel, vacation, walk, water, wild,