Builders and engineers in the Roman Empire

The video tutorial explores ancient construction techniques, starting with the army's role in building infrastructure. It explains how concrete is made using volcanic ash and water, and how it is used in constructing strong structures. The tutorial also covers the use of arches in building aqueducts and magnificent structures like the Colosseum. It concludes with a discussion on the impressive Roman sewers, known as the Cloaca Maxima, which were large enough for engineers to navigate by boat.

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