![TIL that, in 12th century China, sunglasses with lenses made from smoky quartz were used by court judges to mask their facial expressions and appear impartial. : r/todayilearned TIL that, in 12th century China, sunglasses with lenses made from smoky quartz were used by court judges to mask their facial expressions and appear impartial. : r/todayilearned](https://paradeantiques.co.uk/images/c1810-chinese-sunglasses-with-smoky-quartz-lenses-01.jpg)
TIL that, in 12th century China, sunglasses with lenses made from smoky quartz were used by court judges to mask their facial expressions and appear impartial. : r/todayilearned
![Early collection of sunglasses in the Republic of China old Shanghai sunglasses tea crystal glasses about yellow - AliExpress Early collection of sunglasses in the Republic of China old Shanghai sunglasses tea crystal glasses about yellow - AliExpress](https://ae01.alicdn.com/kf/Heae7e416f27f4cedb64dd85062e11ed7p.jpg_640x640Q90.jpg_.webp)
Early collection of sunglasses in the Republic of China old Shanghai sunglasses tea crystal glasses about yellow - AliExpress
![TIL that, in 12th century China, sunglasses with lenses made from smoky quartz were used by court judges to mask their facial expressions and appear impartial. : r/todayilearned TIL that, in 12th century China, sunglasses with lenses made from smoky quartz were used by court judges to mask their facial expressions and appear impartial. : r/todayilearned](https://honorthedog.files.wordpress.com/2011/09/158973_162917660431713_162916003765212_28989_1361_b.jpg)