English operator: Panoramio described at URL: https://web.archive.org/web/20161016233041/http://www.panoramio.com/photo/49903419...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014215650/http://www.panoramio.com/photo/37214932 determination method...
archive.org/web/20161028003749/http://www.panoramio.com/user/8099654?with_photo_id=102055325 operator: Panoramio described at URL: https://web.archive...