The walls of Uruk, east of Samawa, were first built 4,700 years ago by the Sumerian King Gilgamesh. More than 40,000 archaeological sites in Iraq are still untapped. [Essam al-Sudani/AFP] The Iraqi Ministry of Tourism and Antiquities on Monday (February 18th) announced it has authorised the return of six foreign teams to start archaeological excavations at a number of ancient sites.