English operator: Panoramio described at URL: https://web.archive.org/web/20161103141251/http://www.panoramio.com/photo/133063501 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021134612/http://www.panoramio.com/photo/50034657...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024182337/http://www.panoramio.com/photo/81184220...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027010744/http://www.panoramio.com/photo/81175429...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102211615/http://www.panoramio.com/photo/72279068...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025030213/http://www.panoramio.com/photo/72278298...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028104600/http://www.panoramio.com/photo/100015970...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025210014/http://www.panoramio.com/photo/89810158...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025094626/http://www.panoramio.com/photo/71239366...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103000558/http://www.panoramio.com/photo/100031529...