"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 our job above all in politics to tackle the big issues and to explain them, and have the honesty to say to people, 'There are no easy solutions here.'