(250915) -- BEIJING, Sept. 15, 2025 (Xinhua) -- A press conference is held by China's National Cultural Heritage Administration in Beijing, capital of China, Sept. 15, 2025.

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/Li He)