At the end of 1978, the German art critic Walter Frentz, introducing a film and public lecture in the city of Worms, postulated that Europeans could breathe new life into the idea of European unity by devoting greater care and attention to the shape and form of European cities. The theme of his remarks that night specifically encouraged the preservation of historic urban cores, but more striking was his general concept linking the development of the European Community with the treatment of the European city. As a growing literature on architectural symbolism and urban imagery suggests, cities take the shapes that are expressions of a total society, reflecting the spectrum of their political, economic and cultural life. As Europeans rebuilt and developed their cities in the period after World War II, they also charted the course of their unification.