English operator: Panoramio described at URL: https://web.archive.org/web/20161021073414/http://www.panoramio.com/photo/68064615...
archive.org/web/20161102063609/http://www.panoramio.com/user/5853092?with_photo_id=118820456 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161019181812/http://www.panoramio.com/photo/61236972 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161015063243/http://www.panoramio.com/photo/31600032...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102052219/http://www.panoramio.com/photo/118820499...
archive.org/web/20161102050043/http://www.panoramio.com/user/6452510?with_photo_id=124134028 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102175215/http://www.panoramio.com/photo/118820511...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030134155/http://www.panoramio.com/photo/118820504...
archive.org/web/20161031133436/http://www.panoramio.com/user/2281780?with_photo_id=122269661 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161031071535/http://www.panoramio.com/user/5853092?with_photo_id=118820409 operator: Panoramio described at URL: https://web.archive...