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Granite
arch bridges
Ancient people built bridges in different ways. The Romans are an ancient civilization who built bridges by building a rounded shape out of wood or dirt, laying bricks or stone on top of the arched shape and then taking away the dirt of wood. This would leave an arch under the new bridge.
Bridges are almost invariably built from steel due to its high structural strength, flexibility and relatively low cost.
Bridges
The government should encourage the use of slaves to build roads and bridges.
The government should encourage the use of slaves to build roads and bridges.
The government should encourage the use of slaves to build roads and bridges.
How do you constructed bridges?
you can build small mini bridges out of straw
The Romans made extensive use of the arch to build large buildings, bridges, and water aqueducts.
Triangles are the strongest type of shape. It is very sturdy, but takes up little space. It is the best for building bridges.