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			Top of the CONA Hierarchy
			.... Built Works (CONA facet)
			........ <B> (8)

			............ Built Works by class: fortifications, transportation, bridges, barriers, military, urban planning, and engineering works
			................ Qal’at of the Bani Hammad
			.................... Great Mosque (in ruins)
			.................... Manar Palace (in ruins)
			.................... Palais de Bahr

........ <U> (1)