Keep use time and fall down snow.

When many come fall down snow? and How many deep down snow? North area in japan life with snow everyday. So row down temp time was snow type slowly fall, and this snow have many humidity. Keep long time fall down snow and on roof. One snow was light. But accumulate snow was very haevy. keep comming fall down snow everyday and people life in snow.

North area in Japan in roof of house is want for snow. This style was many kind roof. Some type was triangluer roof or flat type roof. Triangluer roof from down by accumulate snow, yes! auto down snow. But not down snow is flat type roof some time.
Endure heavy wait snow, but necessary down snow from flat roof. People climb roof and aork down snow. North area life people with in snow.