15th China Beijing Int'l High-Tech Expo held in Beijing |
Last Updated(Beijing Time):2012-05-24 07:02 |
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A visitor listens to the introduction on a model of the seawater desalination facilities during the 15th China Beijing International High-Tech Expo in Beijing, capital of China, May 23, 2012. (Xinhua/Luo Xiaoguang) |
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