Photo taken on April 20, 2020 shows the Soilless cultivation of vegetables at the 21st China (Shouguang) International Vegetable Science and Technology Expo in Shouguang, east China's Shandong Province. (Xinhua/Guo Xulei)
Soilless cultivation of vegetables seen in Shouguang, Shandong
Source: Xinhua| 2020-04-21 18:52:21|Editor: huaxia
