Ключевые слова: 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,