A worker checks the operation of hydrogen production equipment at a hydrogen energy company in Changchun, northeast China's Jilin Province, Aug. 12, 2024. In recent years, China's northeast region has been accelerating the layout of the clean energy industry based on the resource advantages, speeding up the development of clean energy generation such as wind, solar and hydrogen energy to promote the full revitalization of northeast China. (Xinhua/Zhang Nan)