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.
the real underground 's so amazing
评分the real underground 's so amazing
评分the real underground 's so amazing
评分the real underground 's so amazing
评分the real underground 's so amazing