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