The valleys in winter had already become very cold. At the training camp of the Northwest Military Region's Special Warfare Team, members were training with great enthusiasm. The training subject of the day was to exercise willpower, and the method was simple: take baths in the open air with cold water after a 30-kilometer march. Everyone was so hot they couldn't stand it. As all were men, there were no scruples. They simply stripped and showered in cold water, and Luo Zheng was among them.