English operator: Panoramio described at URL: https://web.archive.org/web/20161025001908/http://www.panoramio.com/photo/81183405...
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/20161027231802/http://www.panoramio.com/photo/98061578...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101194207/http://www.panoramio.com/photo/105837105...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028175015/http://www.panoramio.com/photo/100016236...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102123706/http://www.panoramio.com/photo/100019049...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029225228/http://www.panoramio.com/photo/101022746...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028091849/http://www.panoramio.com/photo/100562648...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029124320/http://www.panoramio.com/photo/100019707...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028105745/http://www.panoramio.com/photo/100014070 determination method...