"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.
Worldly wealth is the Devil's bait and those whose minds feed upon riches recede, in general, from real happiness, in proportion as their stores increase, as the moon, when she is fullest, is farthest from the sun.