What are the characteristics of people's life and production this season? What is the relationship between these characteristics and weather changes?

Under normal circumstances, in the foothills, we can only see the desert full of gravel; On the low hillside, green grass begins to appear, and people will see flocks of sheep from time to time; Above the mountainside, dense forests are often distributed, mostly cold-resistant coniferous forests; Above the coniferous forest, you will see the grassland again.

Characteristics of production and life:

Herdsmen change from one pasture to another during the season change, which is called "transition".