I really think more fledgling novelists - and many current and even established novelists - should get out into the real world and cover local politics, sports, culture, and crime and write it up on deadline.
"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.