The China Spallation Neutron Source (CSNS) was put to use on Sunday in Dongguan, south China's Guangdong Province.
Xinhua丨Updated: March 27, 2018
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File photo shows engineers work at the control room of circular accelerator for the China Spallation Neutron Source (CSNS) in Dongguan, south China's Guangdong Province, Sept. 1, 2017. [File photo]