C267 Ascending of water surface

This cave had clearly been dug by hand before. The entire surface of the cave was very smooth, and it was especially damp. If it was summer, it would be a good place for a nap, but now, other than feeling cold and slippery, there was no other feeling.

The further in he went, the wider the hole seemed to be. At last, Fatty did not need to be stuck all the way. He was already panting heavily