C129 Karst cave

"Da, da, da ~ ~ ~"

The cave was made of water, and the walls were very smooth. It was very wet to the touch, and the air inside was very humid.

This place was connected to the underground river and had been washed away by the current not long ago.

Hm!

Lu Chen perceived a small puddle of water and raised his eyebrows as he spoke, while the guard replied with a precious word