The camera was installed on Ye Jian's clothes, so Sparrowhawk couldn't see what was inside the metal cabinet. He didn't ask anything either. From Ye Jian's salute, he knew that there was someone inside the metal cabinet. It was a soldier.
The four scientists were not with the soldier. They were sent to other places.
The trapped soldier was very weak. He was so weak that he couldn't even speak. He even had a hard time raising his hand.
Then, he pointed at himself and used the last bit of his strength to raise his arm. He was drawing a rather simple map. First, he drew a cross, and then he drew horizontally and vertically.
"Use my location as the coordinates. After you go out, go forward. Turn left at two intersections and turn right at the west… There's a large round-roofed building about 21 kilometers away from here.
"Hurry up and leave. It's dangerous. They left me here on purpose to see if anyone will come. Hurry up and leave."