archive.org/web/20161029234137/http://www.panoramio.com/user/7346644?with_photo_id=101987507 operator: Panoramio described at URL: https://web.archive...
English heading: 112.5 degree operator: Panoramio described at URL: https://web.archive.org/web/20161028123953/http://www.panoramio.com/photo/23936831 determination...
archive.org/web/20161024122607/http://www.panoramio.com/user/828011?with_photo_id=80618225 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028142414/http://www.panoramio.com/photo/103947615 determination method...
archive.org/web/20161017132001/http://www.panoramio.com/user/3265088?with_photo_id=49911008 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161014180709/http://www.panoramio.com/user/801668?with_photo_id=31708594 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161015173432/http://www.panoramio.com/user/2937427?with_photo_id=31220625 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161029004859/http://www.panoramio.com/user/2184098?with_photo_id=107839862 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161113180832/http://www.panoramio.com/user/4989797?with_photo_id=48659912 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161028073714/http://www.panoramio.com/user/2184098?with_photo_id=107839782 operator: Panoramio described at URL: https://web.archive...
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