Although Tibetan herdsmen already have affordable housing, grazing forces them to migrate within a certain range. Some families still retain the custom of migrating according to the seasons. There are still scattered yurts deep in the Naqu grassland.

This afternoon, in the heart of the grassland, the burning clouds dye the sky into fascinating colors. Ze Yitong's mother finally herds the sheep back. A black spot shows up in the distance. It must be Ze Yitong's mother Dun ...