It's the third day of October, the National Foundation Day when Dan-gun Wanggeom founded Gojoseon in BC2333 according to Samguk Yusa. Though it falls on Sunday in 2021, Korean citizens expect tomorrow is a substitute holiday making a long weekend holiday in the early October. Truly, it was fine and warm. The autumnal sunrays heated the air up to 30 degree. We had a clear blue sky. Fortunately, v..