The author and illustrator of the winningly popular book "The Way Things Work" presents a new educational television series on some of the largest structures that humans have built. David Macaulay fully explains the construction, as well as supplementary stories of the structures and their builders, and short instructional segments with young children engaged in simple engineering. This episode explains the science behind building bridges and answers the simple question:"what keeps a bridge from falling down?"
Cheapest price in the interval: 13.59 on November 6, 2021
Most expensive price in the interval: 13.69 on October 27, 2021
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