English operator: Panoramio described at URL: https://web.archive.org/web/20161013094213/http://www.panoramio.com/photo/15675054...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014114313/http://www.panoramio.com/photo/25834482...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101201031/http://www.panoramio.com/photo/25431707...
archive.org/web/20161015175728/http://www.panoramio.com/user/108875?with_photo_id=31202211 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012154627/http://www.panoramio.com/photo/15663814...
archive.org/web/20161023170051/http://www.panoramio.com/user/1523003?with_photo_id=64394663 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161016212305/http://www.panoramio.com/user/4689280?with_photo_id=44025230 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024004010/http://www.panoramio.com/photo/62085942 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161019164647/http://www.panoramio.com/photo/62085957...
English operator: Panoramio described at URL: https://web.archive.org/web/20161020024015/http://www.panoramio.com/photo/55277982...