"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 think art is the only thing that's spiritual in the world. And I refuse to forced to believe in other people's interpretations of God. I don't think anybody should be. No one person can own the copyright to what God means.
Every Teen Challenge ministry is responsible for raising its own finances, but we assist these works with finances, prayer and counseling, especially overseas in areas such as Siberia, Africa, South America.