Poplar pollen, or white cotton, is beginning to fall on the streets of the capital. The Capital City Department of Nature and Environment clarified how long it will last, saying, "Poplar pollen lasts about 14 days. It will end at the end of this month, around June 30. It is a biological phenomenon that occurs every year at this time of year when female poplars spread their spores. There is no scientific evidence that poplar pollen causes allergi…
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Poplar pollen, or white cotton, is beginning to fall on the streets of the capital. The Capital City Department of Nature and Environment clarified how long it will last, saying, "Poplar pollen lasts about 14 days. It will end at the end of this month, around June 30. It is a biological phenomenon that occurs every year at this time of year when female poplars spread their spores. There is no scientific evidence that poplar pollen causes allergi…