Panoramio described at URL: https://web.archive.org/web/20161023052630/http://www.panoramio.com/photo/54896285 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161020015321/http://www.panoramio.com/photo/54896233 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161023043559/http://www.panoramio.com/photo/54896376 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161020233419/http://www.panoramio.com/photo/54896320 determination method or standard: SHA-1...