The dome is being installed at No. 5 unit of Fuqing Nuclear Power Plant in Fuqing, southeast China's Fujian Province, May 25, 2017. As the containment dome installation was completed in Fuqing on Thursday, China's first demonstration nuclear power project using Hualong One technology, a domestically developed third-generation reactor design, has taken shape. (Xinhua/Jiang Kehong)