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3-12

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Auditory, Visual

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Building Big

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Arch Bridge

The Romans were some of the most important innovators in structural design. Of their contributions, the arch and the bridges they built using this elegant shape stand out as the most creative and enduring. In this video segment adapted from Building Big, series host David Macaulay describes the forces and design features that give arches their strength.

This resource was adapted from Building Big: "Bridges."

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