I also liked this article on a similar note: http://www.deconcrete.org/2011/02/10/inhabit-a-wall/ http://www.deconcrete.org/2011/02/10/inhabit-a-wall/ - compari

I also liked this article on a similar note: http://www.deconcrete.org/2011/02/10/inhabit-a-wall/ http://www.deconcrete.org/2011/02/10/inhabit-a-wall/ - comparing fortresses and modern stadiums.