English operator: Panoramio described at URL: https://web.archive.org/web/20161024094331/http://www.panoramio.com/photo/70176755...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024154017/http://www.panoramio.com/photo/70176788...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025221147/http://www.panoramio.com/photo/70176791 determination method...