many birch pollen in puddle in spring - birch and alder pollen is natural source of seasonal pollen allergy (oral allergy syndro

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many birch pollen in puddle in spring - birch and alder pollen is natural source of seasonal pollen allergy (oral allergy syndrome)

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Size: 3000px × 2250px
Photo credit: © Valery Voennyy / Alamy / Afripics
License: Royalty Free
Model Released: No

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