(250915) -- XINING, Sept. 15, 2025 (Xinhua) -- This photo taken in July 2023 shows an engraved stone discovered on the northern shore of Gyaring Lake in Maduo County, northwest China's Qinghai Province.
China's National Cultural Heritage Administration announced on Monday that an engraved stone, discovered on the Qinghai-Tibet Plateau, is the only known Qin Dynasty (221 B.C.-207 B.C.) engraved stone still preserved at its original site and the one located at the highest altitude during the historic period. (Xinhua)


















