"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.
There are some people who become best friends with everyone they photograph. There are people that I really like and admire and respect, but in a way I think it's better to keep a distance. I think you get better pictures of people that you don't know very well.
During the past few decades, modern technology, with radio, TV, air travel, and satellites, has woven a network of communication which puts each part of the world in to almost instant contact with all the other parts.