English operator: Panoramio described at URL: https://web.archive.org/web/20161012043909/http://www.panoramio.com/photo/12732805...
archive.org/web/20161030113932/http://www.panoramio.com/user/7335732?with_photo_id=93079661 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161029184132/http://www.panoramio.com/user/7335732?with_photo_id=93529431 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014180254/http://www.panoramio.com/photo/30000444...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012204148/http://www.panoramio.com/photo/12732924 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025081010/http://www.panoramio.com/photo/76134304 determination method...
archive.org/web/20161015044719/http://www.panoramio.com/user/2292889?with_photo_id=38369973 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161024234326/http://www.panoramio.com/user/407612?with_photo_id=80027476 operator: Panoramio described at URL: https://web.archive...