The history of  the imperial city has been written in the monuments, Cathedrals and  precious mosaics which have embellished Ravenna from the first period of the dominion of ancient Rome. 

Writen by Isotta Fiorentini (president of Intenational Association of Mosaic Art AIMC), with motion picture , animations, photos, text and audio in 4 languages: English, German, Italian, Japanese, (in the same CD Rom). It is precious guide to Ravenna Monuments and Mosaics.