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archive.org/web/20161029191656/http://www.panoramio.com/user/3298059?with_photo_id=24380518 operator: Panoramio described at URL: https://web.archive...
2648 1598 428 398 6000 4000 control tower (aviation) This file is licensed under the Creative Commons Attribution 3.0 Unported license. You are free:...
English operator: Panoramio described at URL: https://web.archive.org/web/20161017131245/http://www.panoramio.com/photo/41982087...
panoramio.com/user/256932?with_photo_id=1281914 operator: Panoramio described at URL: https://web.archive.org/web/20161011090513/http://www.panoramio...
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archive.org/web/20161101201550/http://www.panoramio.com/user/6452510?with_photo_id=128730408 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030164830/http://www.panoramio.com/photo/118082531 determination method:...
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