An undated file photo shows jade artifacts unearthed from the Niuheliang national archaeological relic site park in Chaoyang City, northeast China"s Liaoning Province. The Niuheliang national archaeological relic site park was built on the Niuheliang site, a large-scale prehistoric ritual and burial complex featuring the temple of the goddess, altars and stone tombs. Dating back more than 5,000 years, the site unearthed stone tools, pottery and jade artifacts with dragon, phoenix and human motifs, reflecting the rituals and beliefs of the Hongshan culture. (Photo by Pang Lei/Xinhua)

　　People visit the Niuheliang site museum at the Niuheliang national archaeological relic site park in Chaoyang City, northeast China"s Liaoning Province, Aug. 4, 2026. The Niuheliang national archaeological relic site park was built on the Niuheliang site, a large-scale prehistoric ritual and burial complex featuring the temple of the goddess, altars and stone tombs. Dating back more than 5,000 years, the site unearthed stone tools, pottery and jade artifacts with dragon, phoenix and human motifs, reflecting the rituals and beliefs of the Hongshan culture. (Xinhua/Pan Yulong)