Li Shaobo, head of the State Key Laboratory of Public Big Data, briefs on the development of an astronomy big data laboratory affiliated to the State Key Laboratory of Public Big Data at Guizhou University in Guizhou, southwest China's Guiyang Province, May 27, 2022. In southwest China's Guiyang, Guizhou University's State Key Laboratory of Public Big Data, co-founded by the Ministry of Science and Technology of China and the Guizhou Provincial Department of Science and Technology, was put into operation in October 2021. It is the only one of its kind in the field of big data in the country....