Then, Zhao Hai drew a line on the line they were on and said, " &Quot; according to the length of this area and our speed, we should have reached this position by now. But I just noticed that we seem to be going in circles. Although we seem to be going forward on the surface, that's not the case. We might be going in circles and not going in. &Quot;
As he spoke, Zhao Hai drew a circle on a position. This position was the end of the line they were in. In other words, they had not advanced much at all. After entering the passage, they had been circling around, which surprised Shen Nanzheng and the others.
