After more than a week of busy work, the area of Gra was once again calm.

The Gobi Desert is not big enough, even if it is twice as big, it will not be enough for 20,000 refugees to farm. What's more, there is a well and plastic film. Growing wool balls becomes very simple. Dig a pit to get some water and cover it with film.

Zhao Tiezhu calculated that one person could grow hundreds of plants a day on average. Plus, the planting distance is so far that one person can work out a square kilometer of Gobi Beach every week.

Tens of thousands of refugees here. Where...