บท 1777: The prison of civilization  

Gu Qing Shan looked down at his hands.

After he was done shaping the two sharp rocks, they ripped his skin a little bit, causing him to bleed just a little.

At the same time, the long black hair all over his arms was shed by a small amount.

-----what's happening here?

Would tiny progress with civilization also be reflected by tiny changes on my body?

Gu Qing Shan fell into thought.

…

On the hillside below.

The ape people were still shouting out loud one after another.

They swung the torches in their hands, trying to ward away the large sabretooth tiger.

But the sabretooth tiger was only deterred for a short while before it looped back around, seemingly so hungry that it was willing to take risks.

Normally, if the prey noticed its approach prematurely, the sabretooth tiger would usually give up on that hunt.