English operator: Panoramio described at URL: https://web.archive.org/web/20161021000717/http://www.panoramio.com/photo/54600644...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014144956/http://www.panoramio.com/photo/37147012...
English operator: Panoramio described at URL: https://web.archive.org/web/20161026023723/http://www.panoramio.com/photo/82093985...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024230648/http://www.panoramio.com/photo/82093998...
archive.org/web/20161024153018/http://www.panoramio.com/user/4447772?with_photo_id=82042925 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161030115533/http://www.panoramio.com/user/7406641?with_photo_id=100784889 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161021122151/http://www.panoramio.com/user/341624?with_photo_id=54387648 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161015102502/http://www.panoramio.com/user/1263885?with_photo_id=37152238 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161014032657/http://www.panoramio.com/user/2870057?with_photo_id=27664601 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030201553/http://www.panoramio.com/photo/110312249 determination method...