The Forth Rail Bridge, South Queensferry

Two images, taken during March 2014, were stitched together to create this photo of The Forth Rail Bridge, South Queensferry.
The technical information is as follows.
Camera - Canon EOS 5D Mk II
Shutter speed - 41s
Aperture - f11.0
Lens - Canon TS-E 45mm f2.8
Focal Length - 45mm
ISO - 100
Filters - Hoya 77mm Pro1 DMC Circular Polariser and Lee Big Stopper