The raw material for making arsenic is realgar.
Li Yuzhu looked around at various parts of the room.
The pillar was vermilion red, and the ceiling was adorned with brilliant gold.
Amidst the gold, there were auspicious patterns, some in jade green or indigo, others in vermilion.
"Your Majesty." Li Yuzhu pointed to the painting before her, then to the ceiling and walls. "There is a large amount of arsenic in the paint used for this artwork. The colored patterns on the ceiling and walls could also contain arsenic. Living in such a room over a long period could lead to chronic poisoning."
Upon hearing this, Empress Cui was so startled that the chess piece in her hand fell onto the chessboard with a clatter.
"Third Sister, is there any evidence for what you just said?" Li Yuwen asked in surprise.
It was the first time she had heard that the paint used in a house could be harmful.
