English operator: Panoramio described at URL: https://web.archive.org/web/20161101102611/http://www.panoramio.com/photo/122268276...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102205242/http://www.panoramio.com/photo/102467131...
English operator: Panoramio described at URL: https://web.archive.org/web/20161015102921/http://www.panoramio.com/photo/38238366...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029180553/http://www.panoramio.com/photo/102467417...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030055132/http://www.panoramio.com/photo/102467815...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030113521/http://www.panoramio.com/photo/102467534...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028063311/http://www.panoramio.com/photo/102467224...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028202907/http://www.panoramio.com/photo/102508301...
English operator: Panoramio described at URL: https://web.archive.org/web/20161015164758/http://www.panoramio.com/photo/38954226...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029183540/http://www.panoramio.com/photo/102467409 determination method...