Cannon ball, St Columb's Cathedral
Introduction
The photograph on this page of Cannon ball, St Columb's Cathedral by Kenneth Allen 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: © Kenneth Allen Taken: 1 Aug 2012
It was fired into the city during the siege which lasted from 1688 to 1689 Not something you would lift easily!