45. Torresotto di San Vitale in Piazza Aldrovandi Bologna Italy

Wikipedia: Torresotto is the name commonly given to the low towers overlooking the enclosures of city walls. The construction of the outer city walls commenced towards the end of the 12th century. Strada San Vitale, which has been documented since at least 1159, connected Bologna with Ravenna and the salt mines of Cervia.

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