English operator: Panoramio described at URL: https://web.archive.org/web/20161102201741/http://www.panoramio.com/photo/129624637...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023181114/http://www.panoramio.com/photo/51524344...
panoramio.com/user/36569?with_photo_id=57814627 operator: Panoramio described at URL: https://web.archive.org/web/20161019200925/http://www.panoramio...
archive.org/web/20161021023637/http://www.panoramio.com/user/2639217?with_photo_id=62508044 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161020050238/http://www.panoramio.com/photo/50817566 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023210055/http://www.panoramio.com/photo/50810987...
archive.org/web/20161023212530/http://www.panoramio.com/user/3846536?with_photo_id=59751473 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161030232457/http://www.panoramio.com/user/6212428?with_photo_id=121165083 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161030131047/http://www.panoramio.com/user/8232279?with_photo_id=105030417 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161012205612/http://www.panoramio.com/user/1719381?with_photo_id=10838911 operator: Panoramio described at URL: https://web.archive...