English operator: Panoramio described at URL: https://web.archive.org/web/20161014231615/http://www.panoramio.com/photo/38598380...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031214928/http://www.panoramio.com/photo/115261441...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101171910/http://www.panoramio.com/photo/115261416...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101015013/http://www.panoramio.com/photo/128935911...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028143222/http://www.panoramio.com/photo/107554228 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031133911/http://www.panoramio.com/photo/113763850...
archive.org/web/20161101060220/http://www.panoramio.com/user/8611281?with_photo_id=124677824 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161102002353/http://www.panoramio.com/user/8611281?with_photo_id=124678067 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161028021440/http://www.panoramio.com/user/6320562?with_photo_id=100916543 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161025151351/http://www.panoramio.com/user/6972147?with_photo_id=85358150 operator: Panoramio described at URL: https://web.archive...