Looks up to the livelihood Riyue
  It is the famous area of huanghuang, the most people in han. The main product is the corp and corn. Coming through the area, it is the Qinghai livestock area.

  Riyue mountain is the line for the wind season. The eastern are is important are for agricultural area, which is green. But the western area is dry.

  It is also the important line for the culture. At the same time the hehuang culture is borderless. People farm the land, but the western area is different. Shows the Tibet style. With the time going, the culture start to change.