This link goes to a piece on cities and specifically the slums in the
cities. It starts off talking about the fact that today for the first
time over half the people on the globe live in a city and gets into
the poor. http://www.theplaceswelive.com/ It was enlightening for me, my life is a long way from any city like
those shown.
Tie it in with "What people eat"
http://www.time.com/time/photogallery/0,29307,1626519,00.html and I
get a different view of the world as a whole.