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When it rains, only the compressed snow is left
(feddit.uk)
Desire paths Desire paths can be paths created as a consequence of erosion caused by human or animal foot-fall or traffic. The paths usually represent the shortest or most easily navigated routes between origins and destinations. https://en.wikipedia.org/wiki/Desire_path
People walking on the snow will compact it down. Even if it's below freezing, snow will still melt some and then refreeze when this happens. Eventually you'll get a layer of ice.
Rain is mu