The discovery has revealed the Roman city of Neapolis, with its networks of submerged streets and monuments, was a crucial trading hub in ancient north Africa.The fourth century tsunami that partly destroyed Neapolis was well recorded at the time. It struck in Alexandria, one of the great seats of learning in the ancient world as well as the Greek Island of Crete...The further recovery of Roman food products, including roughly 100 tanks of fermented fish that was used as a condiment known as garum in the Roman empire, has told the archaeological team more about Neapolis's history...The Tunisian and Italian...