"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.
Put a bridle on thy tongue set a guard before thy lips, lest the words of thine own mouth destroy thy peace... On much speaking cometh repentance, but in silence is safety.