English operator: Panoramio described at URL: https://web.archive.org/web/20161020143156/http://www.panoramio.com/photo/67942969...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024021026/http://www.panoramio.com/photo/68920454...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012171934/http://www.panoramio.com/photo/14349043...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013091733/http://www.panoramio.com/photo/17481894...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014022955/http://www.panoramio.com/photo/25804102...
English operator: Panoramio described at URL: https://web.archive.org/web/20161026011909/http://www.panoramio.com/photo/79325452...
English operator: Panoramio described at URL: https://web.archive.org/web/20161026171415/http://www.panoramio.com/photo/79012668...
archive.org/web/20161020213609/http://www.panoramio.com/user/632893?with_photo_id=51718278 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025030025/http://www.panoramio.com/photo/78492694 determination method...
archive.org/web/20161014015343/http://www.panoramio.com/user/632893?with_photo_id=22858893 operator: Panoramio described at URL: https://web.archive...