Ключевые слова: balkans, bulgaria, canyon, cascade, engineering, environment, europe, fish, forest, geological, gorge, hill, hydro, hydroelectricity, lake, landmark, landscape, meander, mountain, muhovo, natural, nature, panagyurishte, panorama, pazardzhik region, peninsula, poibrene, power, resource, river, scenery, scenics, sight, sightseeing, sofia region, sredna gora, sredna gora mountain, terrain, topolnica, topolnitsa, topolnitsa reservoir, tourism, travel, tree, view, water, wilderness,