"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 saw Ellen and my knees were weak. It was amazing. And it was very hard for me to get her out of my mind after that. Then when I saw her that night, we started talking, and that's that.