The Forth Bridge, South Queensferry

Two images, taken during November 2014, were stitched together to create this photo of The Forth Bridge, South Queensferry.
The technical information is as follows.
Camera - Canon EOS 5D Mk II
Shutter speed - 30s
Aperture - f13.0
Lens - Canon TS-E 45mm f2.8
Focal Length - 45mm
ISO - 200
Filters - Hoya 72mm HD Circular Polariser and Lee Big Stopper