archive.org/web/20161024191945/http://www.panoramio.com/user/4751889?with_photo_id=88468717 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161021221023/http://www.panoramio.com/user/6017687?with_photo_id=59198654 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161029141554/http://www.panoramio.com/user/5932959?with_photo_id=96814340 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028160237/http://www.panoramio.com/photo/104220628...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029000836/http://www.panoramio.com/photo/105630214...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102171345/http://www.panoramio.com/photo/104221146...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029015217/http://www.panoramio.com/photo/105630224 determination method...