A woman walks with her dog at the Chapeu Mangueira - Babilonia slum, where the Slums Book Fair, FLUPP, is being held, in Rio de Janeiro, Brazil, on November 5, 2015. AFP PHOTO / TASSO MARCELO (Photo credit should read TASSO MARCELO/AFP/Getty Images)
A woman walks with her dog at the Chapeu Mangueira - Babilonia slum, where the Slums Book Fair, FLUPP, is being held, in Rio de Janeiro, Brazil, on November 5, 2015. AFP PHOTO / TASSO MARCELO (Photo credit should read TASSO MARCELO/AFP/Getty Images)