How Easter Island’s stone heads got their huge hats
The people of Easter Island may have adorned their monumental statues with massive stone ‘hats’ by rolling the headgear up gentle ramps. The iconic statues of Easter Island, which is also known as Rapa Nui, were built after people reached the island in the thirteenth century. Sean Hixon at Pennsylvania State University in University Park and his colleagues sought to understand how the hats — the heaviest of which weighs nearly 12 tonnes — were hefted onto the lofty statues.
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