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Instructional Video5:05
TED-Ed

Why Doesn’t the Leaning Tower of Pisa Fall Over?

For Students 6th - 12th
The famous Leaning Tower of Pisa doesn't lean as much as it used to. Why it did, and why it doesn't as much as it used to, is the focus of a short film that reveals the engineering behind the construction and the various efforts over the...

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