"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.
I have relationships with people I'm working with, based on our combined interest. It doesn't make the relationship any less sincere, but it does give it a focus that may not last beyond the experience.
The idea that so many kids eat rubbish and sit on computers all day long appals me and getting them into sport is a major way of getting them off computers and leading healthier lives.