Firstly - it wasn't me - well I've not been up the GPO tower since the 60's.
"It is comprised of 48,640 individual images shot over a period of three days and processed over a period of three months.
The pictures were taken using Canon EOS 7D cameras with EF 400mm f/2.8 IS II USM lenses and Extender EF 2x III teleconverters driven by special Rodeon VR Head ST robotic panorama heads from the Clauss company in Germany."
http://btlondon2012.co.uk/pano.html
"It is comprised of 48,640 individual images shot over a period of three days and processed over a period of three months.
The pictures were taken using Canon EOS 7D cameras with EF 400mm f/2.8 IS II USM lenses and Extender EF 2x III teleconverters driven by special Rodeon VR Head ST robotic panorama heads from the Clauss company in Germany."
http://btlondon2012.co.uk/pano.html
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