https://www.thinglink.com/scene/1036213683463651329   Ravenna's Mosaics

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One of the 53 Unesco sites in Italy is the magnificent 12th-century cathedral at Modena. The work of two great artists (Lanfranco and Wiligelmus), is a supreme example of early Romanesque art. With its piazza and soaring tower, it testifies to the faith of its builders and the power of the Canossa dynasty who commissioned it.

Ravenna's Mosaics.