moais in the slope of rano raraku volcano, rapa nui easter island

anthropology archaeological archeology ash bas buried carved ceremonial civilization cone consolidated crater culture easter half heritage hillside hinariru history innovation interest isla island lapilli moai monolithic national nui pacific park pascua peoples piro platforms polynesian quarry rano ranu rapa rapanui raraku relief sculpted sculptures site society statue stone technological terevaka tokanga transported tuff tukuturi upright volcanic volcano world