XIR182913 Interior view of the Oratory, c.430 AD (photo) by Paleo-Christian, (5th century); Oratorio di Galla Placidia, Ravenna, Italy; (add.info.: formerly known as the Mausoleum of Galla Placidia (d. 450); mosaics of the Apostles, probably St. John (figure to left of viewer) and St. Andrew; the saint below is perhaps Saint Lawrence, martyred on an iron grill;); out of copyright.