บท 1590: Qiu Pusheng

Seeing that it could be lifted, the two of them immediately knew that they had found it. This was it!

The stone slab couldn't be taken down. The upper edge was a little wider, and the lower edge was a little narrower. The stone slab could only be hung at that opening without falling. It looked no different from the other stone slabs.

He could only push it up. Xue Yan carefully pushed it up and then found that the opening was exposed. The space inside was bigger, and he could put the stone slab to the side inside. It fits perfectly to the side.

After moving it away, a metal plate appeared. This metal plate was also square, but it was not as big as the previous one. It was much smaller and did not have enough space for a human to move in there. There was also a buckle on this metal plate. There was a lock on the buckle. The lock was quite small. Without thinking, he reached his hand out for the small key.