English operator: Panoramio described at URL: https://web.archive.org/web/20161102213931/http://www.panoramio.com/photo/76071188...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024205344/http://www.panoramio.com/photo/76071172 determination method: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161101200714/http://www.panoramio.com/photo/118082528 determination method or standard: SHA-1...