1. Aqueduct
Aqueduct A channel built to transport water. An aqueduct may be an open or enclosed canal, a tunnel, or a pipeline; an aqueduct bridge is a structure that carries a canal over a valley or a river. Aqueducts were constructed by ancient cultures, but the aqueduct system constructed by the ancient Romans was probably the most expensive in the ancient world. ... The Aqua Marcian in Rome, about 90 km long was the first Roman aqueduct to carry water above ground Ancient Rome was supplied by more than ten aqueducts. ... The Marseille aqueduct, completed in 1847, is 97 km long. ...
- Word Count: 395
- Approx Pages: 2
- Grade Level: High School