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Beijing usually sees its worst air quality in the fall and winter because of coal use for heating in the capital and its surrounding regions. The statement said January was the capital's first month in autumn and winter without a single day seeing severe air pollution since 2013.
Beefing up the Amazon team
Beijing launched a mosquito-control campaign in May to cut the risk of infectious diseases such as dengue fever.
Because of her work in quality control, Guo knew mass production is different from casual home cooking.
Before entering indoor areas, visitors are required to have their temperature checked and show "green" QR codes on their mobile phones – which serve as a proof of good health.
来源：资阳报