Panoramio described at URL: https://web.archive.org/web/20161017092536/http://www.panoramio.com/photo/44712584 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161017202515/http://www.panoramio.com/photo/44712612 determination method or standard: SHA-1...