Panoramio described at URL: https://web.archive.org/web/20161030212636/http://www.panoramio.com/photo/118804638 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161031110259/http://www.panoramio.com/photo/118804290 determination method or standard: SHA-1...