U.S. President George W. Bush (L) and his wife Laura Bush stand in a silent tribute to China's earthquake victims at the Chinese Embassy in Washington May 20, 2008. Bush came to the Chinese Embassy on May 20 to mourn Chinese quake victims. (Xinhua Photo)

U.S. President George W. Bush (L) leaves words on the book of condolence as his wife Laura Bush (C) and Chinese Ambassador to the U.S. Zhou Wenzhong look on at the Chinese Embassy in Washington May 20, 2008. Bush came to the Chinese Embassy on May 20 to mourn Chinese quake victims.(Xinhua Photo)

Chinese Ambassadress to Britain Fu Ying (R) shows photos about earthquake in China to British Prime Minister Gordon Brown at the Chinese Embassy in London, capital of Britain, May 20, 2008. Brown came to the Chinese Embassy on May 20 to offer condolences to Chinese quake victims. (Xinhua Photo)

Peruvian President Alan Garcia (3rd L) mourns for China's earthquake victims as Chinese Ambassador Gao Zhengyue (2nd L) stands aside at the Chinese Embassy in Lima, capital of Peru, May 19, 2008. Garcia came to the Chinese Embassy on May 19 to offer condolences to Chinese quake victims. (Xinhua Photo)

Albanian Prime Minister Sali Berisha leaves words on the condolence book to mourn for China's earthquake victims at the Chinese Embassy in Tirana, capital of Albania, May 20, 2008. Sali Berisha came to the Chinese Embassy on May 20 to offer condolences to Chinese quake victims.(Xinhua Photo)