Why is the slope of the roof in the north smaller and the wall in the south thicker?

The northern winter is long and cold, the summer is not long, and the precipitation is relatively small, so the roof slope of residential houses is small and the walls are thick. The temperature in the south of China is high all the year round, the seasonal variation is not very prominent, there is more precipitation, and it is warm and humid all the year round. Therefore, residential buildings have the characteristics of large roof slope and high wall. As long as the answer is reasonable, you can score. ) analysis: this is an application problem. Mainly considering the climate, the residential buildings in the northern region have small roof slopes and thick walls, which are mainly adapted to the characteristics of hot weather and less precipitation in Leng Xia in winter. Houses in the south of China have steep roofs and high walls, which are mainly adapted to the hot and humid environment.