Farmers check the harvested ginger at a cooperative at Hancun Village of Zhaoxian County, north China's Hebei Province, Oct. 15, 2019. Zhaoxian County has guided each village in developing agricultural specialty planting industry to help farmers to raise their income in recent years. (Xinhua/Wu Xia)

Farmers work in the fields at a cooperative at Hancun Village of Zhaoxian County, north China's Hebei Province, Oct. 15, 2019. Zhaoxian County has guided each village in developing agricultural specialty planting industry to help farmers to raise their income in recent years. (Xinhua/Wu Xia)

A farmer works in the fields at a cooperative at Hancun Village of Zhaoxian County, north China's Hebei Province, Oct. 15, 2019. Zhaoxian County has guided each village in developing agricultural specialty planting industry to help farmers to raise their income in recent years. (Xinhua/Wu Xia)

A farmer shows the harvested ginger at a cooperative at Hancun Village of Zhaoxian County, north China's Hebei Province, Oct. 15, 2019. Zhaoxian County has guided each village in developing agricultural specialty planting industry to help farmers to raise their income in recent years. (Xinhua/Wu Rong)

Farmers harvest ginger at a cooperative at Hancun Village of Zhaoxian County, north China's Hebei Province, Oct. 15, 2019. Zhaoxian County has guided each village in developing agricultural specialty planting industry to help farmers to raise their income in recent years. (Xinhua/Wu Xia)