English operator: Panoramio described at URL: https://web.archive.org/web/20161021205247/http://www.panoramio.com/photo/50364734 determination method...
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/20161019153649/http://www.panoramio.com/photo/61732983...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028002939/http://www.panoramio.com/photo/94776944...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023162303/http://www.panoramio.com/photo/61732933...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103133449/http://www.panoramio.com/photo/130019053...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102151745/http://www.panoramio.com/photo/105521496...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030102226/http://www.panoramio.com/photo/104750772...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028095527/http://www.panoramio.com/photo/94827678...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102190928/http://www.panoramio.com/photo/127856789...