Ключевые слова: aerial, balkans, bulgaria, bulgarian, countryside, day, drone, environment, forest, green, hill, landmark, landscape, leisure, mountain, mouth, national, natural, nature, observation, old, outdoor, pamporovo, panorama, panoramic, peak, plans, range, recreation, relaxation, rhodope, rhodope mountains, rhodopes, scenic, season, smolyan, snezhanka, snezhanka tower, summer, telecommunications, tourism, tourist, tower, travel, tree, trekking, vacation, viewpoint, white, wood,