"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 never feel so utterly fraudulent as when I review a movie whose charms impress all in the world and I simply do not get it. The other variant is that I love something the world disdains. This has had severe career consequences: I am still famous - or notorious - in certain quarters where I am recalled as the man who liked 'Hudson Hawk.'