Panoramio described at URL: https://web.archive.org/web/20161018004707/http://www.panoramio.com/photo/41938036 determination method or standard: SHA-1...
operator: Panoramio described at URL: https://web.archive.org/web/20161016171451/http://www.panoramio.com/photo/41937985 determination method: SHA-1...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014162658/http://www.panoramio.com/photo/36974264 determination method...