Snowflakes are flying all over the sky, the world is in chaos, large and small plateaus lie quietly between the sky and the earth, vast and vast, and the snow falls silently... Life is impermanent, and sometimes our lives are just struggling and continuing amidst so much helplessness and helplessness. In the time and space of history, scenes of joys and sorrows, sad and touching stories are performed. I would like to dedicate this document to those people who are kind and sincere, unwilling to be mediocre and working quietly.