English operator: Panoramio described at URL: https://web.archive.org/web/20161031081815/http://www.panoramio.com/photo/117916458 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102210330/http://www.panoramio.com/photo/108113001...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030130120/http://www.panoramio.com/photo/108113010...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031184025/http://www.panoramio.com/photo/117916489...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027225949/http://www.panoramio.com/photo/108112957...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103185552/http://www.panoramio.com/photo/108112987...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103185553/http://www.panoramio.com/photo/108112989...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014043016/http://www.panoramio.com/photo/28534193...
archive.org/web/20161014203811/http://www.panoramio.com/user/768901?with_photo_id=39228067 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161030113048/http://www.panoramio.com/user/1458947?with_photo_id=108113021 operator: Panoramio described at URL: https://web.archive...