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Potala AthanasiusKircher JohannGrueber. en The Potala palace in Lhasa Tibet as seen and depicted by the Austrian Jesuit Johann Grueber who had been there in Cut from the book China Illustrata of Athanasius Kircher es El palacio de Ptala en Lhasa Tibet visto dibujado por el jesuita austriaco Johann Grueber quin visit la ciudad en