A set of illuminated manuscripts called this city’s Gospels was produced by a group of artists known as the Ada School. One ruler brought a third-century sarcophagus depicting Proserpina from Rome to this city to be installed in a chapel he commissioned. A diplomatic mission led by Isaac the Jew brought gifts (-5[1])to this city, including an automatic brass water clock. The Basilica of San (-5[1])Vitale likely inspired an (15[1])(*) octagonal chapel that later served as a tomb for its patron and was designed by Odo of Metz. Alcuin of York served as master of this city’s Palace School and oversaw a renaissance named for a monarch who succeeded (-5[1])Pepin the Short as ruler of the Franks. For 10 points, name this administrative and cultural center of Charlemagne’s empire. ■END■ (10[3])