Answer: im not sure but i think it was opium,
Explanation:
The tradition that Adrian Saxe's Les Rois Du Monde Futur used was the Chinese Pottery.
Quick Fact:
Adrian Saxe's Les Rois Du Monde Futur (Rulers of the Future World) seemed to be exquisite and at the same time precious. The work's title shows the artist's sarcastic mindset: "The rulers of the future worlds are insects, two of which crawl up the cap"