The wind in the north is like a knife, causing pain on the face. Mixed with the smell of blood and herbs, it penetrates people's noses and makes them cough. Pei Huainan squatted in a makeshift tent, with fine beads of sweat on his forehead, and blood stains on his hands that had not been wiped clean. He was holding a silver needle and carefully debriding a soldier who had broken his leg.
