At Rome's Santi Quattro Coronate basilica, 13th century frescoes were discovered under plaster during a restoration project. While not exactly smut, the content depicting secular life is daring for Medieval nuns. Starting in September, the frescoes will be shown by appointment during two days each month.
• Roman Convent’s Profane Frescoes Restored | Artnet
(Image credits: Santi Quattro Coronati)