Archaeologists have uncovered a Roman water system during excavations in Stabiae, located near Pompeii in the Province of Naples, Italy.Stabiae was largely buried during the eruption of Mount Vesuvius in AD 79, which released a deadly cloud of super-heated tephra and gases to a height of 33 km (21 mi), molten rock, pumice, and hot ash at a rate of 1.5 million tons per second. The resulting pyroclastic surges and heavy ashfall enveloped Pompeii a…