Citizens donate blood for the wounded in Chengdu, capital of southwest China's Sichuan Province, on May 12, 2008. A major eathquake measuring 7.8 on Richter scale jolted Wenchuan County of Sichuan Province at 2:28 p.m. on Monday. (Xinhua/Xiao Lin)     Photo taken on May 13, 2008 shows the medicine for the injured in Mianzhu, about 60 Kms from Wenchuan County, southwest China's Sichuan Province. A major eathquake measuring 7.8 on Richter scale jolted Wenchuan County of Sichuan Province at 2:28 p.m. on Monday. (Xinhua/Yuan Jian)     People have rest in outdoors in Mianzhu, about 60 Kms from Wenchuan County, southwest China's Sichuan Province, on May 13, 2008. A major eathquake measuring 7.8 on Richter scale jolted Wenchuan County of Sichuan Province at 2:28 p.m. on Monday. (Xinhua/Chen Xie)