Panoramio described at URL: https://web.archive.org/web/20161102184109/http://www.panoramio.com/photo/91749614 determination method or standard: SHA-1...
operator: Panoramio described at URL: https://web.archive.org/web/20161028011208/http://www.panoramio.com/photo/91749623 determination method: SHA-1...
operator: Panoramio described at URL: https://web.archive.org/web/20161031213511/http://www.panoramio.com/photo/91749697 determination method: SHA-1...