Peering through the gap in the carriage, Du Fei could clearly see that at this moment, the convoy had stopped atop a rather desolate hill. The top of the hill was quite large, forming a slightly undulating hillock, but the ground was somewhat yellowish as if no vegetation had grown there.

At the end of this slightly yellowish hillock, there were two cliffs that seemed to connect heaven and the earth, and in the center of the cliffs, there was a passage about several miles ...