Petrichor, the after-rain smell

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Thereā€™s a sun-dried ā€œpurpleā€ ya bao tea that is allowed to ferment like a raw-pu-erhā€¦and it both smells and tastes exactly like a rainy day in the forest. Thereā€™s also a white ya bao in the same style, but the scent of wet soil is subdued in favor of a more pine-like aroma. (And just to confuse things, both types of ya bao are often referred to as ā€˜white teaā€™.) Having read the Wikipedia entry, Iā€™m wondering if Actinobacteria are collaborators in that fermentation.

[Research update: yuuuuup.]

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