160,000-year-old sophisticated stone tools discovered in China may not have been made by Homo sapiens

Artist illustration of Xigou tool-making. We see hands tying a stone point to a stick in front of a river with an elephant and deer.

Archaeologists have found that early humans in what is now China were using sophisticated stone tools as far back as 160,000 years ago.

"This discovery challenges the perception that stone tool technology in Asia lagged behind Europe and Africa during this period," the research team wrote in a statement about the discovery.