A lamp of the Eastern Han Dynasty (25-220) is displayed at an exhibition of civilization of the Qin (221 B.C.-207 B.C.) and Han (202 B.C.-220 A.D.) dynasties, in Beijing, capital of China, Sept. 17, 2017. (Xinhua/Jin Liangkuai)
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A lamp of the Eastern Han Dynasty (25-220) is displayed at an exhibition of civilization of the Qin (221 B.C.-207 B.C.) and Han (202 B.C.-220 A.D.) dynasties, in Beijing, capital of China, Sept. 17, 2017. (Xinhua/Jin Liangkuai)
