operator: Panoramio described at URL: https://web.archive.org/web/20161031213204/http://www.panoramio.com/photo/116640564 determination method: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161030154559/http://www.panoramio.com/photo/114316609 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161031184736/http://www.panoramio.com/photo/118625806 determination method or standard: SHA-1...