| 神秘内容 Loading...   China on Monday began a three-day national mourning for the tens of thousands of people killed in a powerful earthquake which struck the country's southwest on May 12. (来源:老牌的英语学习网站 http://www.EnglishCN.com)  At 4:58 am, the national flag at the Tian'anmen Square in downtown Beijing flew at half-mast after a complete flag-raising ceremony. 
 
    
        
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            | China's national flag flies at half-mast after the flag-raising ceremony on Tian'anmen Square in Beijing Monday morning, May 19, 2008. China on Monday begins a three-day national mourning for the tens of thousands of people killed in a powerful earthquake which struck the country's southwest on May 12. [Xinhua] |  | 
                
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