Slope XNUMX% gliding OK! What is the slope after it rains?

The blue sky spread today and it was a little cold morning.In the morning, there was no "black snow" peculiar to the spring season, and the board slipped reasonably well. When I was talking, "It's snowing whiter than usual even in spring this year, isn't it because it rains a lot?" ... I see!It seems that the dirt on the snow surface will be washed away and clean snow will remain.I don't like rain, but it worked.Rain forecast tomorrow ... Come on!what will you do? !!
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