Answer: The plain gauze robe unearthed from Tomb No.1 at Mawangdui weighs only 49 grams and has 75% light transmittance. Even when folded ten times over a newspaper, the print beneath remains visible. This owes to its unique material: silk spun by the three-molt silkworm of the Han dynasty, whose threads are even finer than those produced by modern silkworms.

Image: Official Website of Hunan Museum