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Saudi men and women browse the annual Riyadh International Book Exhibition in the capital Riyadh on March 17, 2016. Over 500 publishing houses and more than 400 exhibitors took part in the exhibition. / AFP / FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)

Saudi men and women browse the annual Riyadh International Book Exhibition in the capital Riyadh on March 17, 2016.
Over 500 publishing houses and more than 400 exhibitors took part in the exhibition. / AFP / FAYEZ NURELDINE        (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)