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Jawa, Jordan — Wikipedia
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Jawa is the site of the oldest proto-urban development in Jordan, dating from the late 4th millennium BC (Early Bronze Age). It is located in one of the driest areas of the Black Desert (Harrat al-Shamah) of Eastern Jordan. Remains of dams have been found, the largest of which is a masonry gravity dam and the oldest known dam in the world. It was used as a protection from flash floods.
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