Optical illusion: Only those who have eagle-sharp eyes can spot the odd numbers within 17 seconds

Challenge your vision with this mind-bending optical illusion! In a chaotic grid showcasing the number 34, two reversed ...
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Pascal Sébah, People of the Ottoman Empire album

The album contains 117 albumen studio portraits (104 cartes-de-visite and 13 cabinet cards) of people who inhabited the Ottoman Empire in the second half of the nineteenth century taken by ...