At the end of a street of newly built high-rises in the northern Chinese city of Yanji stands an exposed cliff face, where paleontologists scrape away 100 million-year-old rock in search of prehistoric bones.
At the end of a street of newly built high-rises in the northern Chinese city of Yanji stands an exposed cliff face, where paleontologists scrape away 100 million-year-old rock in search of prehistoric bones.