English operator: Panoramio described at URL: https://web.archive.org/web/20161101100001/http://www.panoramio.com/photo/122206506 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102155015/http://www.panoramio.com/photo/109905286 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102025040/http://www.panoramio.com/photo/122206466...
archive.org/web/20161102055817/http://www.panoramio.com/user/1275365?with_photo_id=121956855 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161031043644/http://www.panoramio.com/user/1275365?with_photo_id=121956776 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161024143518/http://www.panoramio.com/user/1590039?with_photo_id=72706131 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012115915/http://www.panoramio.com/photo/12424423...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013073951/http://www.panoramio.com/photo/12424453...
archive.org/web/20161015145044/http://www.panoramio.com/user/2095069?with_photo_id=33372817 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161021095023/http://www.panoramio.com/user/575814?with_photo_id=54372933 operator: Panoramio described at URL: https://web.archive...