operator: Panoramio described at URL: https://web.archive.org/web/20161102030337/http://www.panoramio.com/photo/118104930 determination method: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161030173647/http://www.panoramio.com/photo/118104929 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161013004155/http://www.panoramio.com/photo/9894915 determination method or standard: SHA-1...