Lao Liu and a few others had also stopped digging.
Qiao Qingyu looked at the pits they had dug, only a little over two meters deep, and nothing had been discovered yet.
If there indeed was a mine here, what if it was hundreds of meters below the surface? Digging with just a shovel, one wouldn't reach the bottom in a month.
Everyone understood this, there were no fools here, all were high intelligence scientific researchers.
They just wanted to see if there might be any new discoveries in the soil composition within this one or two meters, but clearly, everyone was disappointed.
It was now time to pack up, Lu Ye signaled to everyone, "Let's wrap up today's research, it's time for us to head back."
It was already past three in the afternoon, and though Lu Ye's group was closer than He Xiuyu and Qiao Qingyu's, it would still be dark by the time they reached Xichuan City.
