Medical staff carry a quake victim into the Huaxi Hospital of Sichuan University in Chengdu, capital of Southwest China's Sichuan Province, April 22, 2013. The hospital opened a green channel for victims after a 7.0-magnitude earthquake jolted Lushan county of Ya'an city in Sichuan on April 20 morning. As of 12 am on April 22, the hospital has received 229 injured people. Photo: Xinhua
Medical staff provides treatment for quake victims in the Huaxi Hospital of Sichuan University in Chengdu, capital of Southwest China's Sichuan Province, April 22, 2013. The hospital opened a green channel for victims after a 7.0-magnitude earthquake jolted Lushan county of Ya'an city in Sichuan on April 20 morning. As of 12 am on April 22, the hospital has received 229 injured people. Photo: Xinhua
Medical staff provides treatment for quake victims in the Huaxi Hospital of Sichuan University in Chengdu, capital of Southwest China's Sichuan Province, April 22, 2013. The hospital opened a green channel for victims after a 7.0-magnitude earthquake jolted Lushan county of Ya'an city in Sichuan on April 20 morning. As of 12 am on April 22, the hospital has received 229 injured people. Photo: Xinhua
Medical staff carry a quake victim outside the Huaxi Hospital of Sichuan University in Chengdu, capital of Southwest China's Sichuan Province, April 22, 2013. The hospital opened a green channel for victims after a 7.0-magnitude earthquake jolted Lushan county of Ya'an city in Sichuan on April 20 morning. As of 12 am on April 22, the hospital has received 229 injured people. Photo: Xinhua
Stretchers are seen outside the Huaxi Hospital of Sichuan University to carry quake victims in Chengdu, capital of Southwest China's Sichuan Province, April 22, 2013. The hospital opened a green channel for victims after a 7.0-magnitude earthquake jolted Lushan county of Ya'an city in Sichuan on April 20 morning. As of 12 am on April 22, the hospital has received 229 injured people. Photo: Xinhua