On a winter day, it's quite natural to have some snow.My doggy Petit likes to walk on snow. On a persimmon tree, a flock of birds enjoy meal like at a feast.Traditionally some fruits used to be left generously for hungry birds in winter.Koreans say such a thing as "birds' food" (까치밥). The Gwanghwamun square where people gather for candlelit vigil on every Saturday was calm and peaceful.On a fa..