English operator: Panoramio described at URL: https://web.archive.org/web/20161031171608/http://www.panoramio.com/photo/113735405...
English operator: Panoramio described at URL: https://web.archive.org/web/20161019222959/http://www.panoramio.com/photo/55328742...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028175828/http://www.panoramio.com/photo/101776533...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031041814/http://www.panoramio.com/photo/113772846...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102181736/http://www.panoramio.com/photo/120325544...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031084234/http://www.panoramio.com/photo/114247433...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031054855/http://www.panoramio.com/photo/120297167...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102085258/http://www.panoramio.com/photo/120326768...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031084423/http://www.panoramio.com/photo/120297145...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101101106/http://www.panoramio.com/photo/120298989 determination method...