City walls & Palace of the Popes, Avignon.
Enclosed by 4.5 km long stone ramparts, Avignon is the famed 'City of the Popes', seat of popes and antipopes from 1309 to 1423. The historic centre and the Gothic Palais des Papes are World Heritage sites.
The Avignon Festival, held every July, is one of the world's oldest and greatest performing arts festivals.
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