English operator: Panoramio described at URL: https://web.archive.org/web/20161021224623/http://www.panoramio.com/photo/56002793...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013145442/http://www.panoramio.com/photo/26684202...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013153149/http://www.panoramio.com/photo/26683828...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028153559/http://www.panoramio.com/photo/101615458...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031032409/http://www.panoramio.com/photo/113929730 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013171939/http://www.panoramio.com/photo/27999055...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031060533/http://www.panoramio.com/photo/113955974...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031074928/http://www.panoramio.com/photo/114455846...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013021143/http://www.panoramio.com/photo/18388124...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013092124/http://www.panoramio.com/photo/18388305...