Palace Life 
Piety has always been an important element of good kingship.
This foundation inscription in the shape of a nail commemorates
the rebuilding of a temple in the 21st century BC. Ur-Namma,
king of Ur in southern Iraq, dedicated the temple to the moon-god Nanna, the divine patron of his city.
The nail was hammered into the wall of the temple so that its inscription was hidden for future generations to discover.