English operator: Panoramio described at URL: https://web.archive.org/web/20161102203419/http://www.panoramio.com/photo/120295849...
English operator: Panoramio described at URL: https://web.archive.org/web/20161022121423/http://www.panoramio.com/photo/67222669...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031043511/http://www.panoramio.com/photo/120325991...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102151958/http://www.panoramio.com/photo/120326388 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030170745/http://www.panoramio.com/photo/120326938...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031032428/http://www.panoramio.com/photo/120299373 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024014843/http://www.panoramio.com/photo/53028852...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021140624/http://www.panoramio.com/photo/67222746...
English operator: Panoramio described at URL: https://web.archive.org/web/20161020130607/http://www.panoramio.com/photo/55329070...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021072355/http://www.panoramio.com/photo/67222718...