[link|http://www.telegraph.co.uk/news/main.jhtml?xml=/news/2007/05/02/wiraq202.xml|http://www.telegraph...5/02/wiraq202.xml]

" Anger in Baghdad as Americans finish wall"

etc...

Of course;
[...]
"But here there are no cows.
Before I built a wall I'd ask to know
What I was walling in or walling out,
And to whom I was like to give offence. "

Frost, Mending Wall