"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 work really hard at trying to see the big picture and not getting stuck in ego. I believe we're all put on this planet for a purpose, and we all have a different purpose... When you connect with that love and that compassion, that's when everything unfolds.