C2359 Mining Slave 2

Even from such a long distance, Mu Yunhua could tell that those were iron ore.

It seemed that the most valuable thing in these four mountains was not the oasis, but the iron ore.

"What kind of stone are these?" Little Ye Zi could not recognize them even after looking at them for a long time. Those stones had some luster, but they did not look like gems.

"Iron ore