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Beijing has been speeding up the development of 5G projects in recent years. It plans to have over 30,000 5G base stations by the end of this year, with 5G coverage in 5,000 buildings citywide, according to the administration.

Because the railway passes through 390 km of sandy areas, the team has spent four years coming up with tailor-made measures to control desertification along the railway and to make sure it can operate safely in the areas, he said.

Before CIIE, Sanofi adjusted its organizational structure to create a China and emerging markets global business unit, which Pointeau said showed the growing importance of China, the company's second-largest market.

Beijing Railway Station on Line 2 will start operations 20 minutes earlier. Temporary trains will be added on Line 2, Line 7 and Line 9, and the operating times of the three lines will be extended.

Beijing's birthrate last year was 8.24 per 1,000, compared with 9.06 in 2017, the Beijing Bureau of Statistics said on Wednesday.