Ключевые слова: aerial, aerial view, balkans, bulgaria, canyon, drone, engineering, environment, europe, forest, gorge, hill, hydro, hydroelectricity, lake, landmark, landscape, meander, mountain, muhovo, 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,