English operator: Panoramio described at URL: https://web.archive.org/web/20161113230238/http://www.panoramio.com/photo/48700697...
English operator: Panoramio described at URL: https://web.archive.org/web/20161011145827/http://www.panoramio.com/photo/9361415...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025192546/http://www.panoramio.com/photo/89084892...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102190104/http://www.panoramio.com/photo/129171659...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031010357/http://www.panoramio.com/photo/114053315...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024103137/http://www.panoramio.com/photo/89084889...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027195613/http://www.panoramio.com/photo/95411626...
English operator: Panoramio described at URL: https://web.archive.org/web/20161011085206/http://www.panoramio.com/photo/9416778...
English operator: Panoramio described at URL: https://web.archive.org/web/20161017212409/http://www.panoramio.com/photo/48700764 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028181213/http://www.panoramio.com/photo/100746789...