The remarkable frescoes by Piero della Francesca (circa 1420-92) in the Basilica di San Francesco were painted between 1452 and 1466. They depict scenes from the Legend of the True Cross on three walls of the cappella maggiore, or high altar choir. What Sir Kenneth Clark called "the most perfect morning light in all Renaissance painting" may be seen in the lowest section of the right wall, where the troops of the emperor Maxentius flee before the sign of the cross. A 15-year project restored the works to their original brilliance. Reservations are required to see the choir area with the frescoes.
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