"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.
Clearly, if it is sensible to hold a referendum on independence, it is crucial that we have one on marriage. It is the only way the country can move forward on this issue. Let all those who have a view on this subject place their trust in the Scottish people and let Scotland decide.