JIMO, March 21, 2016 (Xinhua) -- Pupil An Yilin (1st R) and her classmates watch a "magnetic ballet" performance at a community science museum in Jimo City, east China's Shandong Province, March 21, 2016. The community science museum provides 50 interactive exhibits for free to residents and teenagers. (Xinhua/Liang Xiaopeng)
JIMO, March 21, 2016 (Xinhua) -- Pupil Shi Haonan (1st L) and his classmates experience a branchistochrone project at a community science museum in Jimo City, east China's Shandong Province, March 21, 2016.
JIMO, March 21, 2016 (Xinhua) -- Pupil Li Fuhao (3rd L) and his classmates experience a "electricion ball" at a community science museum in Jimo City, east China's Shandong Province, March 21, 2016.
RONGCHENG, March 20, 2016 (Xinhua) -- The pressure vessel of a high-temperature gas-cooled reactor (HTGR) is installed at the Huaneng Shidao Bay nuclear power plant, east China's Shandong Province, March 20, 2016. The pressure vessel of China's first fourth-generation nuclear energy system was put in place on Sunday. The cylindrical vessel, 25 meters high and weighing 610 tons, is the biggest, heaviest and most complicated pressure vessel for a nuclear reactor. (Xinhua/Guo Xulei)