English operator: Panoramio described at URL: https://web.archive.org/web/20161031064750/http://www.panoramio.com/photo/120295864...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021072309/http://www.panoramio.com/photo/67222711...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102173804/http://www.panoramio.com/photo/120296515...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101053021/http://www.panoramio.com/photo/120299097...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029180752/http://www.panoramio.com/photo/93310636...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030072446/http://www.panoramio.com/photo/93310600...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031192319/http://www.panoramio.com/photo/120296503...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025184955/http://www.panoramio.com/photo/74323468...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023200320/http://www.panoramio.com/photo/52537547...
English operator: Panoramio described at URL: https://web.archive.org/web/20161020174838/http://www.panoramio.com/photo/67222758 determination method...