"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.
Goodall established the Jane Goodall Institute in 1977, it supports research while actively running a range of conservation programs to protect chimpanzees and the environment.
I know that I have lived because I have felt, and, feeling giving me the knowledge of my existence, I know likewise that I shall exist no more when I shall have ceased to feel.