Photo taken on May 23, 2018 shows the installation site of a hemispherical dome at the No. 3 unit of Fangchenggang nuclear power station in South China's Guangxi Zhuang autonomous region. The dome has been installed on a reactor at China's nuclear power project in Fangchenggang using Hualong One technology, a domestically-developed third generation reactor design. (Xinhua/Fangchenggang Nuclear Power Co Ltd)