The Early Christian buildings of Ravenna are unique testimonies of the artistic contacts and developments in a highly significant period of the cultural development in Europe. Criterion (i): The Early Christian Monuments of Ravenna are of outstanding significance by virtue of the supreme artistry of the mosaic art they contain. Criterion (ii): The Early Christian Monuments of Ravenna are without parallel because of the crucial evidence they provide of artistic and religious relationships and contacts at an important period of European cultural history. The other local authorities (Regional and Provincial councils) collaborate with protection, conservation and management activities, as well as cultural heritage promotion. The Coordination Committee is responsible for implementing the Management Plan, paying particular attention to conservation, valorisation and promotion activities for monuments.