English operator: Panoramio described at URL: https://web.archive.org/web/20161020090931/http://www.panoramio.com/photo/56204121 determination method: SHA-1...
English operator: Panoramio described at URL: https://web.archive.org/web/20161020070644/http://www.panoramio.com/photo/10822174 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161109214448/http://www.panoramio.com/photo/10821222 determination method...
Panoramio described at URL: https://web.archive.org/web/20161023122853/http://www.panoramio.com/photo/56200191 determination method or standard: SHA-1...