Spring flowers
autumn moon
summer breezes
winter snow:

With mind uncluttered
·  this is  ·
the finest season!

-Wúmén Huìkāi


Cold ground, light dusting of snow, air a little above freezing → snow persists on bricks, disappears from moss:



Warm ground, heavier fall of snow, air a little below freezing, sunshine → snow persists on moss, melts from bricks:


Even invisible vibrations leave tracks…