Day in pictures: May 21
![People visit steel tubes of special type made by Beijing Capital Steel Company at the 12th Beijing International Science and Technology Exposition held in Beijing, May 20, 2009. [Xinhua]](http://images.china.cn/attachement/jpg/site1007/20090521/000bcdb95f1d0b7ef92f1a.jpg "People visit steel tubes of special type made by Beijing Capital Steel Company at the 12th Beijing International Science and Technology Exposition held in Beijing, May 20, 2009. [Xinhua]") |
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People visit steel tubes of special type made by Beijing Capital Steel Company at the 12th Beijing International Science and Technology Exposition held in Beijing, May 20, 2009. [Xinhua] |
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