Institute of Vertebrate Paleontology and Paleoanthropology under the Chinese Academy of Sciences announced on April 2 , that chinese ancestors may not entirely be from Africa,according to the results of the comparative analysis of Pastoral hole skeletal fossils.

Shanghong and Tong Haowen，who come from the Chinese Academy of Sciences, and Professor U Thelin,who come from San-Louis University of Washington, they complete the research of skeletal fossils together.