Venezuelan Foreign Minister Nicolas Maduro signs on the book of condolence during a mourning ceremony held at the Chinese Embassy in Caracas, capital of Venezuela, on May 19, 2008. Staffers of the Embassy, local Chinese and overseas Chinese and some US officers attended the mourning ceremony on Tuesday for the victims of the 8.0-magnitude quake on Richter scale hitting southwest and northwest China's regions on May 12. [Xinhua]