Христорождественский собор. Рязань. ХV в. Источник: https://ru.wikipedia.org/wiki/%D0%A5%D1%80%D0%B8%D1%81%D1%82%D0%BE%D1%80%D0%BE%D0%B6%D0%B4%D0%B5%D1%81%D1%82%D0%B2%D0%B5%D0%BD%D1%81%D0%BA%D0%B8%D0%B9_%D1%81%D0%BE%D0%B1%D0%BE%D1%80_%28%D0%A0%D1%8F%D0%B7%D0%B0%D0%BD%D1%8C%29
