Documentary series in which Andrew Marr finds out how some of the world's biggest cities feed, protect and move their citizens.
Episode 1
Andrew Marr looks at how people live in five of the world's biggest megacities: London, Dhaka, Tokyo, Mexico City and Shanghai.
Episode 2
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.
Episode 3
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.