I had actually been on tour in Japan and I had my own world tour that I was doing. I was used to doing a show for an hour, so I was always learning choreography.
"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.