Columns from the Roman ruins are seen in Sbeitla, in Kasserine Governorate, Tunisia January 30, 2016. REUTERS/Zohra Bensemra - GF10000290309

Archaeologists have found a massive complex of underwater ruins off the northeastern coast of Tunisia, proving that an ancient Roman city that once stood there was devastated by a tsunami 1,600 years ago and was partially lost beneath the waves.
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.
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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.
“It’s a major discovery,” Mounir Fantar, the head of a Tunisian-Italian archaeological mission which made the find, told AFP.
The further recovery of Roman food products, including roughly …