the fourth of the seasons is pure illusion. the more delicate trees cannot bear the harshness and lose their leaves.it would seem this is part of nature that a tree looses itīs leaves like a snake sheds itīs skin yet should conditions change the more delicate trees would keep their leaves.
then falls the snow to create a landscape not before seen. but it is the absence of life.
similarly it can be said that the absence of life is illusion.