Visitors look at a smart farm demonstration at the 26th China Yangling Agricultural Hi-tech Fair in Yangling, northwest China's Shaanxi Province, on Oct. 22, 2019. The 26th China Yangling Agricultural Hi-tech Fair kicked off here on Tuesday. With the theme of "new agriculture, new countryside, new farmers," the five-day event exhibits more than 110 new crop varieties, 85 technologies of agricultural facilities and a variety of agricultural machinery and equipment. (Xinhua/Shao Rui)