Ключевые слова: aerial, aerial view, bulgaria, canyon, cascade, dam, dospat, dospat dam, dospat reservoir, drone, engineering, environment, europe, forest, geological, hill, hydro, ice, lake, landmark, landscape, leisure, majestic, meadow, meander, mountain, natural, nature, panorama, peninsula, power, reservoir, resource, rhodopes, river, rodopi, scenics, season, sight, sightseeing, smolyan region, snow, summer, tourism, travel, tree, view, water, wilderness, winter,