Atop the railway bridge in Llanpumsaint
Introduction
The photograph on this page of Atop the railway bridge in Llanpumsaint by Nigel Davies 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: © Nigel Davies Taken: 1 Jan 2009
This line definitely isn't being kept alive by dog walkers or cyclists. Only the relatively shallow soil on the bridge surface itself is protecting it from being choked by bushes as has happened at either end.