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With rising temperatures, willow and poplar catkins take flight in northern Chinese cities_蜘蛛资讯网

ees has also accelerated, Sun said.In Hohhot, Inner Mongolia Autonomous Region, Huang Hui, director of the Allergy Department at the Tuoketuo County Hospital, recently completed the day's pollen monit

as well as in the Beijing and Tianjin regions, is expected to be 1 to 2 days earlier than last year, according to China Central Television (CCTV).Beijing and Tianjin began to see catkins flying start

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