Ötzi is breaking his silence with a deep male voice after 5,300 years. He spoke Italian -- but just vowels. Indeed, a special software and a model of the Neolithic man's vocal tract have allowed Italian researchers to approximate the way Ötzi pronounced his vowels. Video: © Rossella Lorenzi Audio: courtesy of Rolando Füstös - ENT department at Bolzano's General Hospital.
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