Core Insights - The Shimao site in Shaanxi plays a significant role in the exploration of Chinese civilization, showcasing a variety of artifacts such as stone sculptures, jade artifacts, and bone needles, which highlight the richness of prehistoric culture [1][3][5] Archaeological Significance - The Shimao site, established around 2300 BC and abandoned by 1800 BC, is recognized as the largest known prehistoric city in China, featuring a 10-kilometer stone wall and divided into three parts: the royal city, inner city, and outer city [7] - The unique practice of embedding jade artifacts within the city walls is believed to be a form of protective ritual, reflecting the inhabitants' desire for stability and security [7][8] Cultural Artifacts - The site is renowned for its jade artifacts, including a recently discovered eagle-patterned jade axe, which provides valuable insights into the cultural beliefs of the Shimao people [8][10] - Various stone carvings, including human and animal figures, demonstrate the Shimao people's understanding of nature and their artistic skills, with some carvings resembling characters from oracle bone inscriptions [10][12] Ongoing Research and Mysteries - Despite the wealth of cultural relics, many questions remain regarding the origins, customs, and the reasons for the abandonment of the Shimao site, indicating that further archaeological research may yield new insights [14][15]