Ключевые слова: aerial, ancient, architectural, architecture, balkans, building, bulgaria, bulgarian, city, cityscape, countryside, culture, day, field, hill, house, landmark, landscape, melnik, mountain, nature, old, outdoor, outdoors, panorama, panoramic, pirin, pyramides, residential, roof, rooftop, sand, sand pyramids, sightseeing, sky, skyline, stabbed, street, summer, tourism, town, traditional, travel, urban, valley, village, vintage,