Youssouf Bakayoko, foreign minister of the Republic of Cote d'Ivoire, signs on the book of condolence during a mourning ceremony held at the Chinese Embassy in Abidjan, capital of Cote d'Ivoire, 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]