“Moai” are monolithic human figures carved from rock on the Polynesian island of Easter Island between the years 1250 and 1500. Nearly half are still at Rano Raraku, the main moai quarry, but hundreds were transported from there and set on stone platforms called ahu around the island’s perimeter.
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Almost all moai have overly large heads three-fifths the size of their bodies. The moai are chiefly the living faces of deified ancestors.
The 887 statues production and transportation is considered a remarkable creative and physical feat. The tallest moai erected, called Paro, was almost 10 metres (33 ft) high and weighed 82 tons; the heaviest erected was a shorter but squatter moai at Ahu Tongariki, weighing 86 tons; and one unfinished sculpture, if completed, would have been approximately 21 metres (69 ft) tall with a weight of about 270 tons.
Source : Wikipedia