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Beijing and surrounding regions usually experience their worst air quality during the heating season, which typically starts in November and ends in March. Coal becomes a major heating source during those cold months.

Because the community is located in a mountainous area more than seven hours by car from the provincial capital, Lanzhou, many agricultural products produced by its farmers went to waste, he said.

Beichuan, the original county seat of the Beichuan Qiang autonomous county, has been preserved as one of the world's largest earthquake shrines.

Beijing is considering further restrictions on automobile emissions and strengthening inspections of vehicles to further curb environmental pollution, a top official of the capital's legislative body said on Tuesday.

Before Peng Fengming, a villager, started working for the tea factory at the end of 2018, he did odd jobs in Shenzhen and Guangdong for over 10 years.