This document provides information on art and architecture in Palermo, Italy from different historical periods. It discusses Arab-Norman art from the 11th century when the Normans invaded Sicily and created a new style combining Arab and Norman influences. Examples given include the Monreale Cathedral from 1174 known for its Byzantine mosaics. It also describes iconic artworks and artists from the Italian Renaissance like Leonardo da Vinci's Mona Lisa and The Last Supper, Michelangelo's David, and Raphael's School of Athens. The document concludes with brief biographies of the Italian architect Renzo Piano and artists Alberto Abate and Arnaldo Pomodoro.