"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.
In this age, which believes that there is a short cut to everything, the greatest lesson to be learned is that the most difficult way is, in the long run, the easiest.
You'd think experienced political professionals would know better than to place their trust in exit polls, notoriously inaccurate surveys that had John Kerry winning the 2004 election by five points when he actually lost by three.