Arturo Calzona

On the occasion of the anniversary of its foundation in 1107, a series of contributions have appeared about the cathedral of Cremona, trying to clarify the long-standing problem of the chronology of the building, especially in relation to the possible damage suffered in the 1117 earthquake. Among the many problems, particular attention should be paid to the system of protiri currently present in the building: the one on the façade and the one in correspondence with the front of the north transept..