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An exhibitor talks about his products with a customer at the 2019 Taiyuan International Sports (Bicycle) Industry Expo, held in the Taiyuan Coal Transaction Center in Taiyuan, Shanxi province, on May 27. The expo, which had the theme of environmental protection and a low carbon lifestyle, attracted some 100 bicycle exhibitors from home and abroad. [Photo/Xinhua]

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A visitor ponders the development of technology, as he views an old wooden wheel bicycle at the expo in Taiyuan, on May 27. The expo which ran on May 25-27, featured an exhibition area covering 31,380 square meters, an activity area of 1,660 sq m and performance area occupying 3,600 sq m. [Photo/Xinhua]