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Students learn the Constitution through reading at Tianjin Experimental Primary School in north China's Tianjin Municipality, Dec. 4, 2018, China's fifth Constitution Day. (Xinhua/Liu Dongyue)
Students learn the Constitution through reading at Tianjin Experimental Primary School in north China's Tianjin Municipality, Dec. 4, 2018, China's fifth Constitution Day. (Xinhua/Liu Dongyue)