"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.
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.