Wang Qian's fingertips trembled slightly, and the water in the celadon cup almost spilled, sending tiny ripples dancing across the bluish-green glaze.
Lǚ Huìqīng tapped his chin lightly with his finger and said, "Speaking of rare curiosities from the Western Regions, I recall the *Dream Pool* mentioning the 'light-transmitting mirror'—cast with bird and beast patterns on the back, when hit by sunlight, the shadows project the patterns. Truly exquisite workmanship."
"Brother Shěn said the surface discrepancy of that mirror is less than a hair's breadth. If I hadn't seen him tuning it with a whetstone with my own eyes, I wouldn't have dared believe it. Is a fellow who understands everything truly a bit startling?"
Chapter 391