Flap valve in ditch
Introduction
The photograph on this page of Flap valve in ditch by Andy Potter 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: © Andy Potter Taken: 10 Oct 2006
This non-return flap valve is in the ditch in front of Image I've not seen anything like this outside of a sewer but I hope that it's from a surface water drain, e.g. fed from the downpipes.
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