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Photo taken on April 20, 2014 shows soilless cultivation device displayed during the 15th China (Shouguang) International Vegetable Sci-Tech Fair in Shouguang of East China's Shandong province. The annual fair kicked off in Shouguang, the largest vegetable provider of Beijing, capital of China, on Sunday. The fair, which attracted exhibitors from over 20 countries and regions, will last till May 30. [Photo/Xinhua] |
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