Think big! Engineers have been doing just that for thousands of years, as renowned author-illustrator David Macaulay proves in this five-part miniseries on spectacular structures. The programs cover bridges, domes, skyscrapers, dams, and tunnels-past and present. Along the way, Macaulay highlights the engineering principles and human stories behind some of the most remarkable achievements in the history of building.
Part 5 - Tunnels :
What keeps a tunnel from collapsing?
Tunnels have advanced from dangerous, claustrophobic passages to spacious, safe subterranean networks as roomy as shopping malls. Host David Macaulay takes viewers underground to explore the history and ingenuity behind some of the world's tunneling marvels.
Program highlights: Boston's Big Dig, Rome's Cloaca Maxima, Hoosac Tunnel, Holland Tunnel, London's Thames Tunnel, the Chunnel. Program Producer: Eugenie Vink.