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E-mail China.org.cn, April 18, 2018

The Ancient China Science and Technology Exhibition is held at the Gansu Science and Technology Museum in Lanzhou City, Gansu Province, on April 15. With a total of 38 items on display, the exhibition includes areas of mechanism, well salt, astronomy and weaving showcasing China’s advanced inventions and creations in ancient times. [Photo/Chinanews.com]

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