English operator: Panoramio described at URL: https://web.archive.org/web/20161101155311/http://www.panoramio.com/photo/122486125...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028150528/http://www.panoramio.com/photo/107838570...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030184940/http://www.panoramio.com/photo/119401065...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101070848/http://www.panoramio.com/photo/111318229...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031180849/http://www.panoramio.com/photo/111318236...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102172821/http://www.panoramio.com/photo/119407746...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102202319/http://www.panoramio.com/photo/119408150 determination method...
panoramio.com/user/92366?with_photo_id=4710392 operator: Panoramio described at URL: https://web.archive.org/web/20161010012857/http://www.panoramio.com/photo/4710392...
archive.org/web/20161016211915/http://www.panoramio.com/user/4134192?with_photo_id=49097494 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161103064235/http://www.panoramio.com/user/8087713?with_photo_id=108557364 operator: Panoramio described at URL: https://web.archive...