A main building with wings; the large amount of window space; the comparative flatness of the façades; the employment of a cornice to each storey; the effect of light and shade given by the balconies; and in churches by the circular pediments on the facades.
Giovanni e Paolo, which has six semicircular pediments of varying size crowning the six bays, in the upper order of which are four noble Romanesque windows.
In one of the pediments was a gigantomachy, of which some fragments have been recovered.
The sculptures of the pediments have been completely lost, but their design has been ingeniously reconstructed by Sauer.
In height, of which 48 stood in triple rows under the pediments and 56 in double rows at the sides; of these, 16 remained standing in 1852, when one was blown down by a storm.