The lower tier of the inner containment dome has been lifted into place at the Tianwan-8 nuclear power plant under construction in in Jiangsu province, eastern China, China National Nuclear Corporation (CNNC) said.
The tier has a diameter of 44 metres at its base and is just over 12 metres high. The upper dome part will be lifted and welded into position in a separate operation.
The Tianwan nuclear power station has six nuclear units in commercial operation and three under construction.