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A J-20 fighter jet performs an aerobatics display during the 12th China International Aviation and Aerospace Exhibition (Airshow China) in Zhuhai, south China's Guangdong Province, on Nov. 6, 2018. The living and working scenes of Chinese people in the past year have created a series of amazing views, some of which formed geometric figures. Those photos tell the development and progress of the country in 2018. (Xinhua/Liang Xu)