David Macaulay takes us on a visual journey through a city\'s various support systems by exposing a typical section of the Underground network and explaining how it works.
We see a network of walls, columns, cables, pipes and tunnels required to satisfy the basic needs of a city\'s inhabitants..
David Macaulay takes us on a visual journey through a city\'s various support systems by exposing a typical section of the Underground network and explaining how it works