Archaeologists discovered them in the Arab-Persian Gulf and dated the construction to 5,500 BC

The same officials talk about the flooding of the Persian Gulf basin about 8,000 years ago.

It is logical to assume that rising water levels flooded ancient cities, and residents moved to the coast of the bay.

It turns out that the Sumerians, who formed in the 4th millennium BC, were only the successors of other highly developed civilizations.