C210 One of Them Lied

"Pill Master Lin, let's go up this stream. With our current speed, we should be able to reach the lake in about 20 hours!"

Kan Yuanqian pointed to the upstream of the stream and said, "If we increase our speed, we will be able to reach the lake in less than four hours!"

Lin Cheng nodded slightly and said, "No hurry. Let's walk slowly."

"Yes, Pill Master Lin