Arch

An arch is a structure that spans a space and supports a load. Arches appeared as early as the 2nd millennium BC in Mesopotamian brick architecture and their systematic use started with the Ancient Romans who were the first to apply the technique to a wide range of structures.

Read more about Arch:  Technical Aspects, History, Construction, Other Types, Gallery

Famous quotes containing the word arch:

    Concord’s little arch does not span all our fate, nor is what transpires under it law for the universe.
    Henry David Thoreau (1817–1862)

    Men seem anxious to accomplish an orderly retreat through the centuries, earnestly rebuilding the works behind them, as they are battered down by the encroachments of time; but while they loiter, they and their works both fall prey to the arch enemy.
    Henry David Thoreau (1817–1862)

    An arch never sleeps.
    East Indian saying.