English operator: Panoramio described at URL: https://web.archive.org/web/20161030221557/http://www.panoramio.com/photo/113050938...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024230519/http://www.panoramio.com/photo/73340432...
archive.org/web/20161026235131/http://www.panoramio.com/user/1894203?with_photo_id=78607803 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161031180455/http://www.panoramio.com/user/5152111?with_photo_id=112862920 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030221538/http://www.panoramio.com/photo/113050932...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031133310/http://www.panoramio.com/photo/113050945...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101064601/http://www.panoramio.com/photo/113009079...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101105945/http://www.panoramio.com/photo/113009099...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101064551/http://www.panoramio.com/photo/113009072...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101233829/http://www.panoramio.com/photo/113009084 determination method...