Panoramio described at URL: https://web.archive.org/web/20161027073729/http://www.panoramio.com/photo/77447081 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161027073820/http://www.panoramio.com/photo/77447088 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161027025416/http://www.panoramio.com/photo/77447090 determination method or standard: SHA-1...