Cultural relics unearthed from the lower culture of Xinle (about 7,200 years ago)

　　Since the discovery of the Xinle site in 1973, five times of scientific excavations have resulted in extremely precious scientific data, and the unearthed artifacts are also very rich. The lower cultural pottery is represented by deep-belly pots, high-footed bowls, and oblique mouthpieces with the embossed "Zig" pattern. Stone tools co-exist with hammered stone tools, polished stone tools and fine stone tools. Stone tools include net sinkers, stone shovel, stone adzes, smashers, choppers, and scrapers; stone tools for grinding include stone axes, stone chisels, grinding discs, grinding rods, stone arrowheads, etc.; fine stone tools include stone leaves and stone tools , Scraper, etc. In addition, bone artifacts, jade artifacts, hematite ore, graphite, carbonized grains, and carbonized fruit pits were also unearthed.