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An '''aqueduct''' is a man-made conduit for water.  The [[Babylonians]] and [[Egyptians]] built large-scale underground aqueducts, but the [[Romans]] preferred a row of arches supporting the channels along which water could run from mountains down into cities.  Rome itself had nine such aqueducts.

An '''aqueduct''' is a man-made conduit for water.  The [[Babylonians]], and [[Egyptians]] built large-scale underground aqueducts, but the [[Romans]] preferred a row of arches supporting the channels along which water could run from mountains down into cities.  Rome itself had nine such aqueducts.

== Sources ==

== Sources ==