"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.
If a politician murders his mother, the first response of the press or of his opponents will likely be not that it was a terrible thing to do, but rather that in a statement made six years before he had gone on record as being opposed to matricide.
Our notion of the perfect society embraces the family as its center and ornament, and this paradise is not secure until children appear to animate and complete the picture.