Follow the clues and reach the correct answer.
Clue1
The windows were located in the attic. Some of these windows were a door to the light of the stars.
Clue 2
Secrets were hidden behind iron bars on the floor below. The air seeping through the iron bars gave life to this place.
Clue 3
The kitchen was on a floor below. It was divided into three, and its most precious treasure was in the center.
Clue 4
What I mentioned in the first three clues belongs to the most famous part of a work. What is the full name of the creator of this work?

Clue 5
The creator of the work was born in France.