vase on a pillar

Exploration Stage: Observatory
From: Isabelle
Description: I would love to help the monk. You're asking a riddle about a Chinese pale celadon vase. The clue was in the last vase found. "The universe is an expensive vase on the back of three whales. Have you seen a vase with three legs anywhere?
Completed: The Three-Legged Vase is complex, but very stable. It looks as if it really stands on three pillars. There was a clue inside. Just as I had hoped.