"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.
To be faithful to your instincts and the impulses that carry you in the direction of the excellence you most desire and value ... Surely that is to lead the noble life.