MAURITANIA - CIRCA 1900: Chinguetti: City of knowledge and the Sahara library in Mauritania - Ouadane : Sidi Mohamed Ould Abidine Sidi Library. (Photo by Jean-Luc MANAUD/Gamma-Rapho via Getty Images)
MAURITANIA - CIRCA 1900: Chinguetti: City of knowledge and the Sahara library in Mauritania - Ouadane : Sidi Mohamed Ould Abidine Sidi Library. (Photo by Jean-Luc MANAUD/Gamma-Rapho via Getty Images)