"Ahu" are stone platforms on which many moai sit. There are 313 known ahu and 125 of these carry moai. The biggest, Ahu Tongariki is 220 m (720 ft), and had the most (15) and tallest moai.
I think the best American poetry is the poetry that utilizes the resources of poetry rather than exploits the defects or triumphs of the poet's personality.
A feeble man can see the farms that are fenced and tilled, the houses that are built. The strong man sees the possible houses and farms. His eye makes estates as fast as the sun breeds clouds.