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