Trace the past and future expansion of the world's biggest cities with the BBCs interactive map (urbanisation and urban growth)
The world in 2050: leading experts give their forecasts for the urban future
Making cities work: Detroit, Mexico City, Moscow and China
Rural to urban migrants speak out.
Slide show with commentary about the high rise in Chicago and how this was the city to watch for the 20th Century and how cities might re-assess their need to build up as a traditional CBD. Helps to establish the idea of a CBD based on building height with Bid Rent and Burgess.
[Submitted by Chris Stephenson]