DescriptionUrbino Palazzo Ducale - panoramio (10).jpg Urbino _ Palazzo Ducale Date 25 August 2012 (original upload date) Source https://web.archive...
archive.org/web/20161026075733/http://www.panoramio.com/user/6212428?with_photo_id=77659116 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161101105113/http://www.panoramio.com/user/2378800?with_photo_id=118655638 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161013064146/http://www.panoramio.com/user/586448?with_photo_id=10451059 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161024174749/http://www.panoramio.com/user/6212428?with_photo_id=77703646 operator: Panoramio described at URL: https://web.archive...