C99 Secret Chamber

I didn't expect there to be such a secret in this old wooden house.

Shen Wanshan opened the wooden door, revealing a flight of stairs.

The flight of stairs snaked down, and because the light was too dark to reach its end, it gave the staircase a mysterious feeling.

Shen Wanshan was standing at the top of the stairs, not in a hurry to go downstairs. He seemed to be waiting for something