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Hoarfrost etches trees near Sweden Valley.
in case you're curious...
In sub-freezing air water vapor changes directly to ice without first becoming a liquid, this is named hoarfrost as it deposits on below freezing objects.
The out of focus snowflakes which crystallized from clear air in this photo are formed by a process known as desubmilation
All images copyrighted; Curt Weinhold photo
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