English operator: Panoramio described at URL: https://web.archive.org/web/20161029162943/http://www.panoramio.com/photo/94563887...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102165544/http://www.panoramio.com/photo/112160218 determination method...
Panoramio described at URL: https://web.archive.org/web/20161102153113/http://www.panoramio.com/photo/112160269 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161102152609/http://www.panoramio.com/photo/112160267 determination method or standard: SHA-1...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031174736/http://www.panoramio.com/photo/112160226...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102081234/http://www.panoramio.com/photo/112160230...