On the Piazza Grande is the Duomo, which has an unfinished facade that doesn't measure up to the beauty of the neighboring palaces. On the inside, however, its Renaissance roots shine through. You can see fragments of the tomb of Bartolomeo Aragazzi, secretary to Pope Martin V (who reigned from 1417 to 1431); it was created by Michelozzo between 1427 and 1436, and pieces of it have been dispersed to museums in other parts of the world.
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