English operator: Panoramio described at URL: https://web.archive.org/web/20161028054417/http://www.panoramio.com/photo/99752267...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102003918/http://www.panoramio.com/photo/119075095...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024101931/http://www.panoramio.com/photo/87496924 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161026013550/http://www.panoramio.com/photo/87488801 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027004729/http://www.panoramio.com/photo/87496896...
English operator: Panoramio described at URL: https://web.archive.org/web/20161026121857/http://www.panoramio.com/photo/87486275...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028003319/http://www.panoramio.com/photo/99752235...
English operator: Panoramio described at URL: https://web.archive.org/web/20161020230254/http://www.panoramio.com/photo/59704539...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028003208/http://www.panoramio.com/photo/99752232...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101182651/http://www.panoramio.com/photo/119075089...