"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.
The government would be able to go to court with respect to newspaper articles, broadcast pieces and the like that they thought were bad or harmful or even against the government and try to block them.