archive.org/web/20161022014145/http://www.panoramio.com/user/1428211?with_photo_id=56659885 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161021085824/http://www.panoramio.com/user/4147970?with_photo_id=62434387 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161025085812/http://www.panoramio.com/user/1286122?with_photo_id=86964812 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161024124853/http://www.panoramio.com/user/1286122?with_photo_id=86783925 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161012042418/http://www.panoramio.com/user/2240010?with_photo_id=14038519 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161030091632/http://www.panoramio.com/user/4171551?with_photo_id=93572690 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024121234/http://www.panoramio.com/photo/86786357 determination method...
archive.org/web/20161014001306/http://www.panoramio.com/user/1738713?with_photo_id=28034991 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161025192217/http://www.panoramio.com/user/7050661?with_photo_id=88591406 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...
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