The arch is still used today in some modern structures such as bridges.

This was the first time the portal arch had been used on such a large scale.

The arches were used as a way to get behind the buildings and into the backyards of the houses.

The arch is used in architecture and in bridge building.

The two-hinged arch is most often used to bridge long spans.

The judge instead let a local businessman use the fast-food chain's name and golden arches.

Another is to use arches called squinchs to span the corners, which can support more weight.

Using pointed arches, architects could make vaults of very different shapes.

He used arches, columns, and other elements of classical architecture in his designs.

The arch was used in olden times by nuns to pass over the road undisturbed.