The irrigation network consists of over 200 primary canals, some of which stretch up to nine kilometers in length and are between two and five meters wide.

Criterion (iii): The remains of the Mesopotamian cities of Uruk, Ur and Eridu offer an outstanding testimony to the growth and subsequent decline of southern Mesopotamian urban centres and societies ...

"While we know a great deal about the development of writing in southern Iraq, far less is known about literacy in northern Mesopotamian cities, especially near Erbil where Kurd Qaburstan is located." ...

Criterion (iii): The remains of the Mesopotamian cities of Uruk, Ur and Eridu offer an outstanding testimony to the growth and subsequent decline of southern Mesopotamian urban centres and societies ...