Ключевые слова: aerial, aerial view, arda, arda river, balkans, beautiful, bulgaria, canyon, dam, drone, environment, europe, fishing, forest, geological, gorge, hill, kardzhali, kardzhali region, landmark, landscape, majestic, meander, mountain, natural, nature, panorama, peninsula, reservoir, rhodope, river, rodopi, scenery, scenics, sight, sightseeing, studen kladenets, studen kladenets reservoir, terrain, tourism, travel, view, water, wilderness,