"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.
A very intimate sense of the expressiveness of outward things, which ponders, listens, penetrates, where the earlier, less developed consciousness passed lightly by, is an important element in the general temper of our modern poetry.