Lu Zhou had overlooked that important point. It should have been clear that the parchment drawing should be placed together with the Open Heavenly Writing. Whether it was the old drawing or the map, they had a common and important function, to mark geographical locations.
Lu Zhou bent forward and studied the old parchment drawing. After a moment, he discovered the blank parts of the old drawing were truly blank. There was nothing hidden there. Apart from that, the blurry parts were only outlines.
Fortunately, Lu Zhou was very familiar with Great Yan. Even if it was not shown on the map, he could make a rough guess based on the position of the palace.
"Yang Province, Jing Province, Liang Province, Yi Province, Qing Province, Yong Province…" Lu Zhou counted out loud, "Misty Forest. Rongxi, Rongbei… In the east, there are the seas, the great whirlpool…"
