cathedral or duomo di siena interior details from piazza del duomo of siena medieval city. tuscany. italy

frescoes ancient architectural architecture area art artwork attraction august background beautiful building cathedral catholic christian church city classical color del design details dome duomo famous gothic heritage historic historical interior italy landmark maria mary medieval monument old painting piazza picturesque place preserved region religion religious romanesque scene scenic sculptural siena sightseeing structure style tourism touristic townscape tradition travel trip tuscany unesco urban vacation view visit world