Cristián Arévalo Pakarati/Easter Island Statue Project
This diagram shows the excavation history of Moai 156, Rano Raraku quarry, Rapa Nui. The red dashed line is the estimated surface when petroglyphs, or rock art, were applied to the statue's back. This line also represents the point at which stone quarrying in the area probably ended. The green line represents ground level at the start of excavation.
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