Ключевые слова: air, ancient, ancient city, archeology, architecture, bright, castel santangelo, castle, castle of the holy angel, clear, cloud, cloudy, day, daylight, environment, europe, hadrian, historic, historical, history, italy, mausoleum of hadrian, roman, romanesque, rome, sky, spring, stone, stonewall, structure, summer, sunlight, sunny, tower, weather,