At the end of 2016, I looked forward to the three stages of Christmas, its occurrence, and the end of the event. The content of the screen described the process of my friends and I want to make a new Christmas tree as the main visual of the party before Christmas. "Imagination of the Christmas Tree" is the prelude to this event. The content describes that the ordered materials have been sent home to remind us that this holiday is coming; "Merry Christmas with the lights off" is the highlight of this event (also different in terms of size), and the final At the time the party ended, the bright daylight in the screen space illuminates each object very clearly, but all the mess is so clear, like the feeling of waking from a dream.