914 / Mona Lisa: It’s a Duchenne smile!
One bizarre remark on Mona Lisa’s smile is that she doesn’t smile at all; it’s a visual illusion. And wasn’t […]
STACK TWO
COLLECTION
914 / Mona Lisa: Not a Duchenne smile!
One bizarre remark on Mona Lisa’s smile is that she doesn’t smile at all; it’s a visual illusion. And wasn’t