English operator: Panoramio described at URL: https://web.archive.org/web/20161014210347/http://www.panoramio.com/photo/31527902 determination method...
described at URL: https://www.flickr.com/photos/gnuckx/3721127046/ operator: Flickr URL: https://live.staticflickr.com/3630/3721127046_e67e26e96c_o.jpg...
