Obviously there has been some sort of structure here... but what?

Photograph taken by Stephen Atty on 8 August 2014 and was added to the database on Sunday the 10th of August, 2014

Licensed under a Creative Commons Attribution-ShareAlike licence, see the terms of use

This photo is of Aspley Wharf (Slade Heath) on the Staffordshire and Worcestershire Canal (Main Line: Autherley to Great Haywood)