People mourn beside candles at a memorial ceremony at the Potala Palace Square in Lhasa, capital of southwest China's Tibet Autonomous Region, May 19, 2008. China began on Monday a three-day mourning for the victims of the 8.0-magnitude quake on Richter scale hitting southwest and northwest China on May 12.

People mourn around candles at a memorial ceremony in Chengdu, capital of southwest China's Sichuan Province, May 19, 2008. China began on Monday a three-day mourning for the victims of the 8.0-magnitude quake on Richter scale hitting southwest and northwest China on May 12.