Why does Mona Lisa smile?

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Tags

1. #demure
2. #cheerfully
3. #homing
4. #expression
5. #vinci
6. #depending
7. #livingstone
8. #smiling
9. #filter
10. #painting
11. #achieved
12. #smile
13. #where
14. #unusual
15. #blurred
16. #effect
17. #changes
18. #looked
19. #detail