"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 remember, when I was a little kid, I was good at sports, and I could jump off the high board. And then puberty hit, and suddenly I was looking to boys for direction. I remember that as a great loss.
If you're an original thinker, you are going get told 'no' a lot, and you have to be able to hear 'no' many times from the bankers and trust that at some point, someone is going to recognize that you are an artist and not a can of soda.
"I don't believe that the ultimate theory will come by steady work along existing lines. We need something new. We can't predict what that will be or when we will find it because if we knew that, we would have found it already!"