Based on a 5-year excavation of two Moai found within the Easter Island quarry called Rano Raraku, the Easter Island Statue Project released the first definitive study to reveal the quarry as a complex landscape and link soil fertility, agriculture, quarrying and the sacred nature of the Moai. Chemistry testing suggests the soil in the quarry itself was made more fertile by the act of quarrying, with traces of taro, banana and sweet potato in the area.
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