C1478 Promotion

As more and more labourers found themselves dead, Zhang Zhi connected the dots. Most likely, all of the labourers in the northwest region had died, because their faces were turning darker and darker.

"Ding ding dang dang …" The intense digging continued.

"..."

In the blink of an eye, half a month passed. The jade mine was located deep in a stone room.

The location of the door