In this aerial photo taken on April 20, 2019, a farmer dries crops in Chaolie Village of Boao Township, Qionghai, south China's Hainan Province. Guyu, literally meaning "Rain of Millet", is the sixth of the 24 solar terms created by ancient Chinese to carry out agricultural activities. For the year 2019, the day of Guyu falls on April 20. (Xinhua/Meng Zhongde)