operator: Panoramio described at URL: https://web.archive.org/web/20161029081022/http://www.panoramio.com/photo/108976323 determination method: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161028143337/http://www.panoramio.com/photo/108976308 determination method or standard: SHA-1...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030234914/http://www.panoramio.com/photo/112547238 determination method...