The passage is wide enough, the stone wall is very smooth washed by the water, the road behind is blocked by the rocks, but the front is deep and mysterious.

even if it's not the place where the treasure lands, it's also an ancient relic. On the smooth stone wall, there are traces of reliefs and words. It's more like the periphery of a palace.

with the buoyancy of the water, Yi Yu stood up and stroked the stone wall, but he couldn't recognize the handwriting on it, not to mention where he was, but since there was only one way in front of him, he could only grope forward....