English operator: Panoramio described at URL: https://web.archive.org/web/20161026233950/http://www.panoramio.com/photo/70641166...
archive.org/web/20161028222549/http://www.panoramio.com/user/4978784?with_photo_id=93683422 operator: Panoramio described at URL: https://web.archive...
Casa de la Ópera en Zürich, Suiza. operator: Panoramio described at URL: https://web.archive.org/web/20161029203124/http://www.panoramio.com/photo/101568001...
panoramio.com/user/15365?with_photo_id=60882193 operator: Panoramio described at URL: https://web.archive.org/web/20161019201331/http://www.panoramio...
archive.org/web/20161103103748/http://www.panoramio.com/user/7771407?with_photo_id=130914014 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027161705/http://www.panoramio.com/photo/91419564...
archive.org/web/20161020050334/http://www.panoramio.com/user/6549655?with_photo_id=69518131 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161113085135/http://www.panoramio.com/photo/41872207...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012143810/http://www.panoramio.com/photo/10727547...
English operator: Panoramio described at URL: https://web.archive.org/web/20161020130807/http://www.panoramio.com/photo/59914579...