English operator: Panoramio described at URL: https://web.archive.org/web/20161030163355/http://www.panoramio.com/photo/115328176 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102160757/http://www.panoramio.com/photo/115328065 determination method...
operator: Panoramio described at URL: https://web.archive.org/web/20161031003005/http://www.panoramio.com/photo/115328034 determination method: SHA-1...