Adam does most of the work when it comes to videos and he basically does the same as I do with the lyrics. The videos are his visual interpretations of our music.
"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.