You’ve heard of the great sandstorms of the Sahara Desert.
You’ve heard of the great windstorms in Oklahoma.
And if you like science fiction, you’ve read about the great firestorms of the Tesla Trees in the Flame Forests of Hyperion.
Here, then, is a storm you’ve probably never heard about: the Great Pollen Storms of Southern Germany. For just a few days each spring, when conditions in Germany are right, the wind can kick up enormous pollen storms: