C522 (2)

After walking around the screen for a while, Hsu Xiaofeng strode through the hall. He safely walked to the tunnel entrance on the other side. Hsu Xiaofeng took a deep breath, stuck his head out and quietly looked inside. The corridor was empty. There were seven doors in total, more than fifty meters in length. That was seven rooms. Hsu Xiaofeng's mission was to search each room