MK sport600 years ago (left) and the Longshan Culture period roughly 4,000 years ago Photos: VCG" src="https://www.globaltimes.cn/Portals/0/attachment/2024/2024-10-09/ceaa19e8-97a7-4690-93ac-2eb416c3d5a3.jpeg" />

Reconstructions of two men who are believed to have lived during the Yangshao Culture period 5,600 years ago (left) and the Longshan Culture period roughly 4,000 years ago Photos: VCG