Zhong Mian (R Back), executive vice-governor of Sichuan province, introduces the disaster information at a press conference in Chengdu, capital of Southwest China's Sichuan province, April 20, 2013. The provincial government held the first press conference at 11:30 am (0300 GMT) in Chengdu after a 7-magnitude earthquake hit Lushan county of Ya'an city in Sichuan Saturday morning, according to the China Earthquake Networks Center (CENC). [Photo/Xinhua]