Ravenna / San Vitale

http://www.sacred-destinations.com/italy/ravenna-san-vitale
http://www.turismo.ra.it/eng/Discover-the-area/Art-and-culture/Unesco-world-heritage/Basilica-of-San-Vitale
http://www.ravennamosaici.it/
http://www.turismo.ra.it/eng/Discover-the-area/Art-and-culture/Unesco-world-heritage/Mausoleum-of-Galla-Placidia
http://www.ravennamosaici.it/?page_id=31
http://mybyzantine.wordpress.com/books/