English operator: Panoramio described at URL: https://web.archive.org/web/20161026044250/http://www.panoramio.com/photo/87634922 determination method...
archive.org/web/20161030142753/http://www.panoramio.com/user/596286?with_photo_id=124261119 operator: Panoramio described at URL: https://web.archive...
heading: 45 degree operator: Panoramio described at URL: https://web.archive.org/web/20161011222243/http://www.panoramio.com/photo/5043620 determination...
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