"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'm interested in all forms of performance, yet I think it's difficult to be as equally talented in all of them as they call for such different skills. At the moment, I still feel I'm learning and want as much experience and variety as possible.