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Maple Leaf This item is only available for Canadian orders.
This title is a part of the series How Did They Build That?

Catalogue Number:  393718
ISBN Number:  978-1-4213-4625-0
Producer:  Films Media Group
Subject:  Engineering
Language:  English
Grade Level:  9 - 12, Post Secondary
Country Of Origin:  U.S.
Copyright Year:  1998
Running Time:  24

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This video investigates three buildings whose appearances suggest that they are about to topple over at any moment: the Leaning Tower of Pisa, the Torres Puerta de Europa in Madrid, and the Torre de Collserola in Barcelona.

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