Hidden Cities - Explore Beneath Your Feet and Above Your Head - E-book - Epub fixed layout

We often know and recognize the skyline of cities but are completely unaware of what is hidden underground: discover the underground city in the Australian desert, learn about Canada's shopping arcades or New York's spider-web-like underground transport network. The last page features the most striking and audacious underground constructions such as the Channel Tunnel linking the UK to France.