Drones have been used in Huaxian, the largest grain-producing county in central China's Henan Province, to carry out artificial maize pollination. Check out how it works.
Produced by Xinhua Global Service
Drones have been used in Huaxian, the largest grain-producing county in central China's Henan Province, to carry out artificial maize pollination. Check out how it works.
Produced by Xinhua Global Service
