Mongolian Foreign Minister Sanjaasuren Oyuun (2nd, R, Front) and Mongolian State Great Hural Chairman Danzan Lundeejantsan (1st, R, Front) attend the mourning ceremony held at the Chinese Embassy in Ulan Bator, capital of Mongolia, on May 20, 2008. China began on May 19 three-day mourning for the victims of the 8.0-magnitude quake on Richter scale hitting southwest and northwest China's regions on May 12. [Xinhua]