Forum Romanum
Outlines of Roman History: Etruscan Kings of Rome: Growth of the City
The Etruscans introduced the concept of substantial architecture to the city of Rome. Stronger walls were built, more imposing temples were consecrated, and the Cloaca Maxima, the Roman sewer, and Circus Maximus were constructed.
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: Cloaca Maxima
One of the world's earliest sewage system, located in ancient Rome.