"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.
It is not classified as a pagan religion. The so-called New Age activities and this are not called religions and therefore don't come under the prohibition of mingling church and state that we have in this country.
