"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.
But then I go through long periods where I don't listen to things, usually when I'm working. In between the records and in between the writing I suck up books and music and movies and anything I can find.