Famous painting

Famous painting "'He's not there!" he whispered.
"Who is not there?"
"The forest梜eeper."
With his lips once more to my ear, he added:
"'Do you know that he has slept in the upper room of the donjon ever since it was restored?' And with the same gesture he pointed to the half-open door, the ladder, the terrace, and the windows in the 'off-turning' gallery which, a little while before, I had re-closed.
Famous painting
"What were my thoughts then? I had no time to think. I felt more than I thought.
"Evidently, I felt, if the forest-keeper is up there in the chamber (I say, if, because at this moment, apart from the presence of the ladder and his vacant room, there are no evidences which permit me even to suspect him) ?
Famous painting