English operator: Panoramio described at URL: https://web.archive.org/web/20161029223525/http://www.panoramio.com/photo/91658983...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027170625/http://www.panoramio.com/photo/109177801...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102162508/http://www.panoramio.com/photo/115148368...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028170526/http://www.panoramio.com/photo/91650786...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102193738/http://www.panoramio.com/photo/129091333 determination method...
archive.org/web/20161028183924/http://www.panoramio.com/user/1727660?with_photo_id=104446660 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161030093305/http://www.panoramio.com/user/7911399?with_photo_id=96406248 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161029085915/http://www.panoramio.com/user/7911399?with_photo_id=96405801 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161031184020/http://www.panoramio.com/user/1727660?with_photo_id=129120368 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161024210841/http://www.panoramio.com/user/1727660?with_photo_id=86053156 operator: Panoramio described at URL: https://web.archive...