Panoramio described at URL: https://web.archive.org/web/20161023063847/http://www.panoramio.com/photo/63014365 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161023131438/http://www.panoramio.com/photo/63014355 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161023234746/http://www.panoramio.com/photo/63014377 determination method or standard: SHA-1...