operator: Panoramio described at URL: https://web.archive.org/web/20161021223454/http://www.panoramio.com/photo/50786346 determination method: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161015034438/http://www.panoramio.com/photo/33236931 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161024011021/http://www.panoramio.com/photo/50788608 determination method or standard: SHA-1...