In the absence of the little slave, Chang'an sat in front of a delicate small stove. It was Huayi who saw that it was going to be cold and got a small stove here. Small stove is a good thing, can be carried into bed. Inside, it burns a special charcoal, which can be covered by a quilt without fumigating people. Smell it carefully, and there is a fragrance in it. It is said that it can be burned...