Ключевые слова: aerial, aerial view, balkans, batak, batak dam, batak reservoir, beautiful, bulgaria, cascade, dam, drone, engineering, environment, europe, forest, hill, hydro, island, lake, landmark, landscape, leisure, meadow, mountain, natural, nature, panorama, pazardzhik region, peninsula, power, reservoir, resource, rhodope, rhodope mountains, rhodopes, river, rodopi, scenics, sight, sightseeing, summer, terrain, tourism, travel, view, water, wilderness,