Northern Portal of the Netherton Tunnel.
Introduction
The photograph on this page of Northern Portal of the Netherton Tunnel. by Peter Evans as part of the Geograph project.
The Geograph project started in 2005 with the aim of publishing, organising and preserving representative images for every square kilometre of Great Britain, Ireland and the Isle of Man.
There are currently over 7.5m images from over 14,400 individuals and you can help contribute to the project by visiting https://www.geograph.org.uk

Image: © Peter Evans Taken: 20 Apr 2013
Looking back from the tow-path inside the tunnel to the Northern Portal of the Netherton Tunnel - the almost perfect circular reflection creates an illusion of greater water depth than the reality. http://en.wikipedia.org/wiki/Netherton_Tunnel