Cold Winter

Every winter, the whistling cold wind has become the standard, especially in the northern part of China, it is often cold. In ancient times, without heating and air conditioning, how did people survive the cold winter? House Warmth: Fire wall and Kang In cold winter, a warm house is undoubtedly the best way to keep warm. In ancient times, fireplace, firewall, and so on are good heat preservation way. People build the walls of a house into a hollow sandwich wall. Under the wall, there is a fire passage. There are holes at the end of the fire passage, which can discharge smoke. The carbon mouth for adding fire is under the eaves of the house. After the charcoal fire burns, the heat can be transferred to the whole house along the sandwich wall. This kind of sandwich wall is called a “firewall”. Warm Food: Warm wine, hot pot In winter, the human body has a high demand for heat, and ancients will choose to eat some warm food as much as possible. Ginger, mutton, and so on. The ancients believed that drinking alcohol can also warm the body. So people like to sit around the stove in the cold…