supported by the Australian Research Council through Future Fellowships to B.L.(FT140100384)and B.M.(FT140100101);the National Natural Science Foundation of China to J.-F.Z.(41471003);postgraduate scholarships from the University of Wollongong to Y.H.and X.R.,the China Scholarship Council to X.R.(201506010345);the Chinese Academy of Sciences(CAS)Strategic Priority Research Program(XDPB05);the State Key Laboratory of Loess and Quaternary Geology,Institute of Earth Environment,CAS(SKLLQG1501);the National Natural Science Foundation of China(41272033)to Y.-M.H.;support from Key Laboratory of Vertebrate Evolution and Human Origins,Institute of Vertebrate Paleontology and Paleoanthropology,CAS
INTRODUCTION Recent technological readings of stone artefacts from Guanyindong Cave site;south-west China,have identified the Levallois strategy in sedimentary deposits dated to approximately 170000-80000 years ago.So...