Staff members of the Chinese Embassy to the United States mourn for the quake victims during a silent tribute in Washington, capital of the United States, May 19, 2008. China began on May 19 a three-day mourning for the victims of the 8.0-magnitude quake hitting southwest and northwest China on May 12. (Xinhua/Zhang Yan)

Chinese people mourn for quake victims during a silent tribute at the Chinese Embassy in Tokyo, capital of Japan, May 19, 2008. (Xinhua/Zheng Lei) 

Members of the Chinese delegation to the United Nations mourn for the quake victims during a three-minute silent tribute in New York, the United States, May 19, 2008.  (Xinhua/Chen Haitong) 

Staff members of the Chinese Embassy to Spain and other Chinese institutions mourn for the quake victims during a three-minute silent tribute in Madrid, capital of Spain, May 19, 2008.  (Xinhua/Zhang Yan) 

Staff members of the Chinese Embassy to Lebanon and Xinhua News Agency mourn for the quake victims during a three-minute silent tribute in Beirut, capital of Lebanon, May 19, 2008.(Xinhua/Wang Xin)

Staff members of the Chinese Embassy to Sudan and other Chinese institutions mourn for the quake victims during a three-minute silent tribute in Khartoum, capital of Sudan, May 19, 2008. (Xinhua/Shao Jie)