"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.
My mom and I have always been really close. She's always been the friend that was always there. There were times when, in middle school and junior high, I didn't have a lot of friends. But my mom was always my friend. Always.