Click the picture to see the full size image.
The image will open in a new browser window.

A train on the High Level Bridge. The combined rail and road two-deck bridge was designed by Robert Stephenson, and opened in 1849. It was constructed as part of the development of a rail link between London and Edinburgh (now the East Coast Main Line).

Image: Lawrence OP 2010 (CC BY-NC-ND)

http://www.flickr.com/photos/paullew/4852354245

(Lytebox viewer by Markus F. Hay, 2006-2012 CC BY)