At 11 p.m. on April 21, doctors at Ya'an People's Hospital plan for the next day's rescue work in Lushan County

Medical supplies are loaded onto an ambulance parked outside the emergency department of Ya'an People's Hospital on April 21

Nurses of Ya'an People's Hospital are on duty at the emergency department on the evening of April 21

Dawa Zerong (first left), the first volunteer arriving at Ya'an People's Hospital, trains new volunteers on the evening of April 21

Yan Kaikai, a rescuer whose neck was struck by a falling stone following an aftershock, receives treatment in Ya'an People's Hospital on the evening of April 21

The emergency department of Ya'an People's Hospital is ready for the next day's work, April 21

(Reporting from Ya'an City, Sichuan Province)