Qiao Yingzhe walked into the community hospital. It was over five o'clock. There were no people in the hospital. Several departments turned off the lights and a sweeper was cleaning up the garbage.

Several patients were still hanging water in the water room. Two or three nurses gathered to chat, and the sign said 24 hours. Walking along the aisle to the end is the staircase leading to the second floor. There are signs on the wall. The first floor is the Department of injection and routine examination. The second floor is divided into the Department of internal medicine and surgery. The third floor is an examination room and the...