"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.
Eyebrows protect the eyes from dirt, sweat and rain, and are a key part of non-verbal communication, displaying emotions like sadness, anger, and excitement.
Education in our times must try to find whatever there is in students that might yearn for completion, and to reconstruct the learning that would enable them autonomously to seek that completion.
