Ancient Greek historian Herodotus went to Egypt in 450 B.C. and wrote in his diary that he saw a very memorable river Baris (aka: Nile Barge) while in Egypt that he had never seen anywhere else.
For 2,500 years nobody knew what he was talking about. Until recently.
70 shipwrecks have been found in Abu Qir Bay, part of the sunken ancient port city of Thonis-Heracleion, which off the coast of Alexandria, Egypt.
One of the ships, Ship 17, has a crescent-shaped hull, thick planks of acacia wood and probably had papyrus sails.
This is exactly what old Herodotus was talking about.
In ancient times, this was a city and it had a dense network of canals until it sunk into the Mediterranean Sea.
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