The reporter learned from the "Archaeology Beijing (2025) - Beijing's Latest Archaeological Research Results Release Conference" and the closing ceremony of the 2025 Beijing Public Archaeology Season that in 2025, Beijing carried out archaeological excavation work on the enemy towers 117, 118, and 119 in the eastern section of the Jiankou Great Wall and the walls of the Great Wall between enemy towers, achieving important results. The Xingong Site is a double ring moat settlement site discovered during the Xia and Shang dynasties in the urban area of Beijing. Its discovery fills the gap in the historical and cultural landscape of the Xia and Shang dynasties in Beijing's urban area. Its remains mainly include tombs, trenches, house sites, cellars, ash pits and other relics from the Datuotou Culture period. It is reported that the material properties, process characteristics, and potential sources of 28 turquoise products unearthed from the Datuotou Cultural Cemetery have been explored through a series of high-precision technical methods. (New Society)