C1107 Troublesome!

"How far have we walked?"

Ye Liunan asked while walking slowly in the dark tunnel. She looked around with a serious expression.

"I don't know the exact number, but I estimate that it should be at least two to three thousand miles!" Zhang Daoyuan's expression was a little ugly.

They had followed the others on the stone bridge and walked for more than half a day before reaching the end