Click the picture to see the full size image.
The image will open in a new browser window.

The Castle Keep was part of the stone castle, constructed between 1172 and 1177 on the orders of Henry II. This replaced the earlier, Norman motte-and-bailey castle that gave the city of Newcastle its name.

Image: Dan Pope 2006 (CC BY-NC-SA)

http://www.flickr.com/photos/gusset/299422172

(Lytebox viewer by Markus F. Hay, 2006-2012 CC BY)