Children under five are the poorest age group in America, and one in four infants, toddlers and preschoolers are poor during the years of greatest brain development.
"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.
