One of a series of unusual features on the OS
Introduction
The photograph on this page of One of a series of unusual features on the OS by Ian Greig 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: © Ian Greig Taken: 16 Oct 2015
Actually seeing them left me no wiser. I had to resort to Geograph to find that they were the remains of wartime army buildings hidden in the wood.
