Description With over 60 per cent of the world's population living in cities, the networks beneath our feet - which keep the cities above moving - are more important than ever before.
Yet we never truly see how these amazing feats of engineering work.
Just how deep do the tunnels go? Where do the sewers, bunkers and postal trains run? And, how many tunnels are there under our streets? Each featured city presents a 'skyline of the underground' through specially commis.
White Lion Publishing Underground cities: mapping the tunnels, transits and networks of our cities, hardcover/mark ovenden
