English operator: Panoramio described at URL: https://web.archive.org/web/20161025085148/http://www.panoramio.com/photo/72868449...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023012317/http://www.panoramio.com/photo/62530860...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025124555/http://www.panoramio.com/photo/72868694...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030004153/http://www.panoramio.com/photo/97747489...
English operator: Panoramio described at URL: https://web.archive.org/web/20161019164033/http://www.panoramio.com/photo/60811712...
archive.org/web/20161102194204/http://www.panoramio.com/user/3057152?with_photo_id=92310001 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161114123916/http://www.panoramio.com/photo/42249220...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028162449/http://www.panoramio.com/photo/98607700 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030003819/http://www.panoramio.com/photo/97747484...
archive.org/web/20161030201049/http://www.panoramio.com/user/6360924?with_photo_id=114066534 operator: Panoramio described at URL: https://web.archive...