English operator: Panoramio described at URL: https://web.archive.org/web/20161014211646/http://www.panoramio.com/photo/37611003...
English operator: Panoramio described at URL: https://web.archive.org/web/20161015084333/http://www.panoramio.com/photo/37611026 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014113119/http://www.panoramio.com/photo/26426826...
Panoramio described at URL: https://web.archive.org/web/20161028155445/http://www.panoramio.com/photo/99800507 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161031141059/http://www.panoramio.com/photo/99152764 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161020153446/http://www.panoramio.com/photo/64144949 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161031141004/http://www.panoramio.com/photo/99152760 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161015051319/http://www.panoramio.com/photo/37608550 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161025163620/http://www.panoramio.com/photo/78327877 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161031141056/http://www.panoramio.com/photo/99152761 determination method or standard: SHA-1...