48-32 ka BP , by butchering and consuming a diverse range of animals , a Nature study reveals .University ( China ) , Frido Welker from the University of Copenhagen ( Denmark ) , and Fahu Chen from the Institute of Tibetan Plateau Research , CAS ( China ) sheds.And variable environment of the Tibetan Plateau .Identified bone fragments had cut-marks and other traces of human activities , indicating that they had been processed by Denisovans in the past .Cave " , Nature . https : / / www . nature . com/articles/s41586-024 - 07612 - 9.