Photo taken on July 22, 2013 shows members of a medical team heading for the quake-stricken region in the neighboring Gansu Province, in Xi'an, northwest China's Shaanxi Province. A 6.6-magnitude earthquake jolted a juncture region of Minxian County and Zhangxian County in Dingxi City of northwest China's Gansu Province Monday morning. (Xinhua/Yuan Jingzhi) 
 

Photo taken on July 22, 2013 shows members of a medical team heading for the quake-stricken region in the neighboring Gansu Province, in Xi'an, northwest China's Shaanxi Province. A 6.6-magnitude earthquake jolted a juncture region of Minxian County and Zhangxian County in Dingxi City of northwest China's Gansu Province Monday morning. (Xinhua/Yuan Jingzhi)

Photo taken on July 22, 2013 shows members of a medical team heading for the quake-stricken region in the neighboring Gansu Province, in Xi'an, northwest China's Shaanxi Province. A 6.6-magnitude earthquake jolted a juncture region of Minxian County and Zhangxian County in Dingxi City of northwest China's Gansu Province Monday morning. (Xinhua/Yuan Jingzhi)