Farmers set up supporting stands for the growth of Chinese yam seedlings in Qiaodong Village of Longxing Town, Xinjiang County, Yuncheng City of north China's Shanxi Province, May 5, 2019. Farmers are busy with agricultural production in the farming season around Lixia, a solar term in the Chinese calendar signifying the beginning of summer. (Xinhua/Gao Xinsheng)