C55 Mysterious Cave, mandarin milk (2)

Looking around, this place wasn't too big. However, the surroundings were all solid stone walls. There were no paths. Looking up, one simply couldn't see the end of it.

"Where is this?" "There doesn't seem to be a tunnel here, do I have to die trapped here?" Chen Feng muttered to himself. Fortunately, there was still a pool of water here, so he could still persevere for a while.

This was a cave