A reaper harvests wheat in the fields at Dongjiazhuang Village of Pingyi County in Linyi City, east China's Shandong Province, June 3, 2018. (Xinhua/Wu Jiquan)

A farm machine works to dry wheat in Sihong County, east China's Jiangsu Province, June 3, 2018. (Xinhua/Zhang Lianhua)