A Romanesque basilica rebuilt after the earthquake in 1117 round a nucleus dating from the 4th or 5th century.Note on the outside the façade with the large rose window called the “Wheel of Fortune”, the marble bas-reliefs on either side of the porch, the famous bronze doors, the bell-tower and the Abbey Tower
http://www.tourism.verona.it/en/enjoy/history-heritage/churches-holy-places/basilica-of-san-zeno