English operator: Panoramio described at URL: https://web.archive.org/web/20161026205648/http://www.panoramio.com/photo/74274830 determination method...
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original. https://creativecommons.org/licenses/by-sa/4.0CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English Slides used for the Feb 27...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023133733/http://www.panoramio.com/photo/53838839 determination method...
archive.org/web/20161101062132/http://www.panoramio.com/user/143517?with_photo_id=126847645 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161102203824/http://www.panoramio.com/user/2184098?with_photo_id=92362491 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161031054135/http://www.panoramio.com/user/3187235?with_photo_id=123932879 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013135938/http://www.panoramio.com/photo/26738671 determination method:...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102221011/http://www.panoramio.com/photo/123743556 determination method:...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021150026/http://www.panoramio.com/photo/53722115 determination method...