English operator: Panoramio described at URL: https://web.archive.org/web/20161102234157/http://www.panoramio.com/photo/110846117...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102083829/http://www.panoramio.com/photo/110849818...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101165403/http://www.panoramio.com/photo/110827416...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102090349/http://www.panoramio.com/photo/110827267 determination method...
archive.org/web/20161030064403/http://www.panoramio.com/user/717791?with_photo_id=93749876 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161102054329/http://www.panoramio.com/user/3451733?with_photo_id=120999425 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161030044834/http://www.panoramio.com/user/969909?with_photo_id=90065501 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161028051208/http://www.panoramio.com/user/969909?with_photo_id=94702740 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161031075615/http://www.panoramio.com/user/1539532?with_photo_id=24955157 operator: Panoramio described at URL: https://web.archive...