Fodor's Expert Review Tridentum — Spazio Archeologico Sotterraneo del Sas

The ancient Roman city of Tridentum lies beneath much of Trento's city center. Centuries of Adige River flooding buried ruins that only recently have been unearthed on public and private land. Beneath this piazza lies the largest of the archaeological sites, which reveals some marvels of Roman technology, such as underfloor heating and subterranean sewers complete with manhole covers. The Romans also used lead pipes for four centuries before recognizing it was hazardous to health.