The monolithic statues of Rapa Nui (Easter Island) are called moai in the Rapanui language. Carved on the island by the ancestors of the current population, approximately 50% of the total of 887 statues documented to date still remain in the immediate vicinity of Rano Raraku, the quarry in which they were produced. The majority of the remaining statues were transported to and erected upon a variety of ceremonial structures called ahu. This feat is one of the greatest megalithic achievements of Pacific prehistory.