People in the high-altitude Maqu County, in northwest China's Gansu Province, prefer to use grids made of red willow in fighting desertification. Red willow grids, which offer more durable ...
* People in the high-altitude Maqu County, in northwest China's Gansu Province, prefer to use grids made of red willow in fighting desertification. Red willow grids, which offer more durable features, ...