Panoramio described at URL: https://web.archive.org/web/20161014034541/http://www.panoramio.com/photo/27862110 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161014034620/http://www.panoramio.com/photo/27862114 determination method or standard: SHA-1...