This picture provided by the Institute of Vertebrate Paleontology and Paleoanthropology of the Chinese Academy of Sciences shows the process of the craniofacial reconstruction of a skull fossil unearthed at the Hualongdong site in Dongzhi County of Chizhou City, east China's Anhui Province. (Institute of Vertebrate Paleontology and Paleoanthropology of the Chinese Academy of Sciences/Handout via Xinhua)