Group of people walking in front and lining up to visit the Siena Cathedral , Tuscany region, Siena, Italy on a sunny day

group people walking front lining up visit siena cathedral duomo di siena tuscany siena italy sunny day architecture landmark historical unesco cultural tourists excursion sightseeing magnificent gothic masterpiece religious faith history guided world heritage impressive entrance ticket queue monument bell tower dome frescoes artistic ornate majestic breathtaking spiritual iconic symbol heritage tour guide fascinating experience daylight