Aired: 6/2/2011
Andrew Marr looks at how people live in five of the world's biggest megacities: London, Dhaka, Tokyo, Mexico City and Shanghai.
Aired: 6/9/2011
Andrew Marr takes a look at safety and security, two of the biggest challenges faced by each and every metropolis, visiting Tokyo, London and Mexico City.
Aired: 6/16/2011
Andrew Marr looks at transport routes and finds out how the world's megacities stay fed, and he joins Mexico City's traffic cops in the air.