Why do rural bungalows in Northeast China rise from the roof and the roof is flat like a building?

The snow in winter in northeast China is too thick, so it is more convenient to prevent the roof from collapsing under heavy snow and sweep the snow.

Climate characteristics in Northeast China: the winter is cold and long, and the summer is warm and short; There is more precipitation, mostly concentrated in summer, more snowfall in winter, and long snow time on the surface.

Spatial distribution of temperature and precipitation in Northeast China: Northeast China spans warm temperate zone, middle temperate zone and cold temperate zone from south to north, and the temperature difference between north and south is obvious in winter; Annual precipitation generally decreases from southeast to northwest.