Renjin Cave site was discovered in May 1998, after years of excavation, archaeologists have found more than 7,000 fossilized mammal specimens from the early Pleistocene in the Renjin Cave, including a large number of large primates rich and diverse vertebrate fossils; in particular, it was found that there are still real horses in the fauna, which is very precious. In addition, among the stone and bone artifacts that have been unearthed, there are more than 10 pieces of bone artifacts with traces of processing, on which the striking points and even extremely detailed repair scars are clearly visible. Experts deduce that these stone and bone artifacts should be the tools made by ancient mankind, in the early Pleistocene 2 million to 2.4 million years ago, China's Yangtze River Basin has been the activities of ancient mankind.
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