Ключевые слова: aerial, ancient, archeological, archeology, architecture, barracks, bath, bathing, brick, building, bulgaria, byzantine, city, destinations, diocletian, diocletianopolis, drone, excavation, fortress, foundation, garden, hisar, hisaria, hisarya, hissar, hissaria, hissarya, houe, landmark, mineral, novel, old, outdoor, park, plovdiv, region, resort, ruins, spa, sredna gora, structure, temple, thrace, touristic, town, travel, wall, water,