This photo shows a set of jade chess pieces at the exhibition titled "Jade from the Kunlun Mountains: Special Exhibition on Hetian Jade Culture in the Qing Court" at the Palace Museum in Beijing, capital of China, Jan. 6, 2025. The exhibition, which opened here on Monday, showcases 258 pieces of Hetian jade items from the Qing Court. (Xinhua/Jin Liangkuai)