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Cheng is a fellow of King's College in London, and was director of the International Arbitration and Dispute Settlement course at the Law School of Tsinghua University in Beijing.
Children chat before a lesson during their first day of classes since April amid COVID-19 concerns in Havana, Cuba, Nov 2, 2020. [Photo/Agencies]

Chen Jia in Beijing contributed to this story.
China Academy of Space Technology said the development of Queqiao means Chinese scientists have become the first to have reliable technology for relaying signals between Earth and far side of the moon.
Cheng Guoshun, a retired train driver, looks at an old photo of him at work in Zhengzhou, Central China's Henan province, on Oct 16, 2018. [Photo/IC]
来源:资阳报