Panoramio described at URL: https://web.archive.org/web/20161030212927/http://www.panoramio.com/photo/115939006 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161102003356/http://www.panoramio.com/photo/115938994 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161101000619/http://www.panoramio.com/photo/115939018 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161030152125/http://www.panoramio.com/photo/115939079 determination method or standard: SHA-1...