English operator: Panoramio described at URL: https://web.archive.org/web/20161029160352/http://www.panoramio.com/photo/101427692...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102213421/http://www.panoramio.com/photo/129120180...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028051612/http://www.panoramio.com/photo/91582277...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101043542/http://www.panoramio.com/photo/114594650...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031160159/http://www.panoramio.com/photo/129091774 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029215717/http://www.panoramio.com/photo/104714420...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028001702/http://www.panoramio.com/photo/104714031...
archive.org/web/20161102192616/http://www.panoramio.com/user/1727660?with_photo_id=109177073 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161030025932/http://www.panoramio.com/user/1727660?with_photo_id=101435704 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161029184405/http://www.panoramio.com/user/1727660?with_photo_id=96695463 operator: Panoramio described at URL: https://web.archive...