"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.
Every view, and every object I studied attentively, by viewing them again and again on every side, for I was anxious to make a lasting impression of it on my imagination.
A last ditch defence is for the octopus to shed a tentacle similar to how a gecko or lizard can discard a tale. An octopus is able to regenerate a lost tentacle.
