English operator: Panoramio described at URL: https://web.archive.org/web/20161031113404/http://www.panoramio.com/photo/129624728...
English Tower Core close to Munster Court, Great Tower Street, City of London (possibly core for 20 Fenchurch Street the 'Walkie Talkie' building) operator:...
English operator: Panoramio described at URL: https://web.archive.org/web/20161022202818/http://www.panoramio.com/photo/51531064 determination method...
archive.org/web/20161023134004/http://www.panoramio.com/user/967090?with_photo_id=67221257 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021131054/http://www.panoramio.com/photo/50817590...
archive.org/web/20161026220435/http://www.panoramio.com/user/163555?with_photo_id=77799785 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161020205920/http://www.panoramio.com/user/3846536?with_photo_id=59751485 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030103025/http://www.panoramio.com/photo/90780019...
archive.org/web/20161102054614/http://www.panoramio.com/user/7050661?with_photo_id=113553633 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025012554/http://www.panoramio.com/photo/75919146...
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