English operator: Panoramio described at URL: https://web.archive.org/web/20161102212753/http://www.panoramio.com/photo/91548804 determination method: SHA-1...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028150233/http://www.panoramio.com/photo/91548812 determination method...
Panoramio described at URL: https://web.archive.org/web/20161021102442/http://www.panoramio.com/photo/55932739 determination method or standard: SHA-1...
operator: Panoramio described at URL: https://web.archive.org/web/20161031133624/http://www.panoramio.com/photo/126294274 determination method: SHA-1...
English operator: Panoramio described at URL: https://web.archive.org/web/20161020235423/http://www.panoramio.com/photo/54299432 determination method...