Farmers work on day of traditional Chinese solar term Xiaoman

Aerial photo shows a farmer working in an asparagus field at Yaokengzi Village of Xiamaguan Township in Tongxin County, northwest China's Ningxia Hui Autonomous Region, May 21, 2019. Traditional Chinese solar term Xiaoman (grain buds) falls on May 21 this year, which means seeds from grain are becoming full. (Xinhua/Feng Kaihua)