http://www.youtube.com/watch?v=bQA2kf... 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. All national flags will fly at half-mast at home and Chinese diplomatic missions abroad from Monday to Wednesday. Public recreational activities will be halted during the mourning period. At 2:28 p.m. Monday, Chinese citizens nationwide will stand in silence for three minutes to mourn for the victims, while air raid sirens and horns of automobiles, trains and ships will wail in grief. In the mourning period, condolence books will be opened in China's Foreign Ministry and Chinese embassies and consulates around the world. The Beijing Olympic torch relay will also be suspended from Monday to Wednesday. The death toll from the...