Even when you're making a movie about life, death is a presence, and I guess it's part of my dramatic viewpoint. I'm not sure why exactly. Maybe I'm drawn to it as a story element.
"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.