time to time."Dr. Hu, are you back from your rounds""Oh, yeah, yeah. I just finished seeing a patient and got back."The doctor stopped in front of a steamed bun shop, reached into his pocket and took...enough, the pitch-black sky, who knew when it started, was now sprinkled with snowflakes.Fleeting snowflakes, descending from the boundless depths of the sky, were whipped by the icy wind upon contact...