Building Big

Robert talks to David Macaulay, host of the five-part PBS Television Series "Building Big," and author of the book of the same name, about the secrets of constructing huge structures. Macaulay describes some of the equipment, and techniques used to erect dams, skyscrapers, tunnels and giant domes. (8:00)

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The book, "Building Big," by David Macaulay, is published by Houghton Mifflin, ISBN # 0-395-96331-1, publication date October 2000.



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