"Cheng was three years behind me in school, and we worked together on digs for many years. When he was in college, he worked on the Peinan and Chihshanyen sites," says Liu. Peinan society had highly developed pottery arts, and Chihshanyen is a multi-layered site with artifacts from several cultures, and the pottery is even more refined.
「鄭永國低我三屆，我們長年一起做田野，他在大學高年級階段做過卑南、芝山岩的考古挖掘工作，」劉益昌說，卑南是陶藝非常發達的社會，芝山岩是多文化層遺址，陶器更是精美。