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* Eoin C. Kavanagh

![Figure1](http://www.ajnr.org/http://ajnr-stage2.stage.highwire.org/content/ajnr/40/7/1083/F1.medium.gif)

[Figure1](http://www.ajnr.org/content/40/7/1083/F1)

Title: Pollen Explosion. This picture was taken while visiting Chamonix Mont-Blanc in May 2018. It shows a “pollen explosion,” a rare natural phenomenon but a nightmare for hay fever sufferers! The photo was taken on a Huawei P20 Smartphone.

*   © 2019 by American Journal of Neuroradiology