Calling it the "cavitá" ('hole' or 'hollow' in Italian), or hypogeum, the archaeologists have thus far excavated about 15 meters down. They marked their third year at the site in 2014. By then they had uncovered significant amounts of what they classify as Gray and Black bucchero, commonware, and Red and Black Figure pottery remains. They have dated deposits to the middle to the end of the 6th century BCE. "We know that the site was sealed toward the end of the 5th century BCE," George, et al. continue. "It appears to have been a single event. Of great significance...