English operator: Panoramio described at URL: https://web.archive.org/web/20161102150326/http://www.panoramio.com/photo/112147329...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029141203/http://www.panoramio.com/photo/93688945...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030223815/http://www.panoramio.com/photo/93689002...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102115223/http://www.panoramio.com/photo/101393934 determination method...
archive.org/web/20161023213638/http://www.panoramio.com/user/5317134?with_photo_id=53671326 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161023222837/http://www.panoramio.com/user/5317134?with_photo_id=53646722 operator: Panoramio described at URL: https://web.archive...