English operator: Panoramio described at URL: https://web.archive.org/web/20161011121145/http://www.panoramio.com/photo/2898655...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029225002/http://www.panoramio.com/photo/107552796...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029181012/http://www.panoramio.com/photo/107712851...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024155249/http://www.panoramio.com/photo/86717130...
archive.org/web/20161030035940/http://www.panoramio.com/user/2972562?with_photo_id=100160832 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161025024135/http://www.panoramio.com/user/1513503?with_photo_id=86183848 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161020050709/http://www.panoramio.com/photo/68125270 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023212526/http://www.panoramio.com/photo/66703078...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013044016/http://www.panoramio.com/photo/14810586...
archive.org/web/20161022121739/http://www.panoramio.com/user/4376193?with_photo_id=55364925 operator: Panoramio described at URL: https://web.archive...