C1610 The Painting

Under the gaze of my Yin Eye, there was nothing unusual in the room. Everything was still the same as before, without any changes.

This was strange! Could it be that my guess was wrong? But if that was the case, then what exactly was going on?

Just as I was starting to get confused, I suddenly noticed a painting hanging on the north wall of the room. In the painting, there was a tower