What Worries You Most Should Labour Win...
News1 min ago
No best answer has yet been selected by tazstiger. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.The answer's not Escher, but it'll help if you google Escher and GEB also try
http://lazylaces.com/article.asp?p=1589