operator: Panoramio described at URL: https://web.archive.org/web/20161103130922/http://www.panoramio.com/photo/130919793 determination method: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161028150734/http://www.panoramio.com/photo/108140972 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161030133402/http://www.panoramio.com/photo/109174605 determination method or standard: SHA-1...