English operator: Panoramio described at URL: https://web.archive.org/web/20161030020112/http://www.panoramio.com/photo/101520383...
archive.org/web/20161014113217/http://www.panoramio.com/user/1238588?with_photo_id=28996930 operator: Panoramio described at URL: https://web.archive...
panoramio.com/user/19953?with_photo_id=725462 operator: Panoramio described at URL: https://web.archive.org/web/20161011095135/http://www.panoramio.com/photo/725462...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028000839/http://www.panoramio.com/photo/91289229...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030010115/http://www.panoramio.com/photo/91289575...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029062840/http://www.panoramio.com/photo/91290161...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028100056/http://www.panoramio.com/photo/91289323 determination method...
English heading: 22.5 degree operator: Panoramio described at URL: https://web.archive.org/web/20161102192857/http://www.panoramio.com/photo/91289484...
English heading: 157.5 degree operator: Panoramio described at URL: https://web.archive.org/web/20161031032341/http://www.panoramio.com/photo/91290110...
English heading: 22.5 degree operator: Panoramio described at URL: https://web.archive.org/web/20161028231925/http://www.panoramio.com/photo/91289391...
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