operator: Panoramio described at URL: https://web.archive.org/web/20161207184548/http://www.panoramio.com/photo/57514481 determination method: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161021121125/http://www.panoramio.com/photo/57513790 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161024020858/http://www.panoramio.com/photo/57515073 determination method or standard: SHA-1...