Panoramio described at URL: https://web.archive.org/web/20161030165559/http://www.panoramio.com/photo/122864158 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161102153224/http://www.panoramio.com/photo/122863953 determination method or standard: SHA-1...