Ключевые слова: aerial, aerial view, ancient, antique, anton, archeology, architecture, balkan, basilica, building, bulgaria, byzantine, byzantium, cathedral, christian, clouds, culture, destination, drone, elenska, elenska basilica, elensko, elensko basilica, historic, history, icons, landmark, landscape, late antiquity, medieval, monastery, monument, mountain, old, orthodox, pirdop, roman, roman empire, ruins, sight, sightseeing, sofia region, sredna gora, stara planina, tourism, touristic, travel,