Panoramio described at URL: https://web.archive.org/web/20161102120541/http://www.panoramio.com/photo/41725356 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161112215424/http://www.panoramio.com/photo/41725908 determination method or standard: SHA-1...
operator: Panoramio described at URL: https://web.archive.org/web/20161016160153/http://www.panoramio.com/photo/41725740 determination method: SHA-1...