Add Yahoo as a preferred source to see more of our stories on Google. Scientists used drones to produce this 3D model of Rano Raraku, the volcanic crater where 95% of Rapa Nui's giant statues were ...
(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Carl Lipo, Binghamton University, State University of New York (THE CONVERSATION) Rapa ...
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