TOPSHOTSBelievers leave a chapel with their "natitas" (flat-nosed) human skulls at the cemetery in La Paz on November 8, 2013. The "natitas" is a macabre ritual carried out every November 8th during which the believers venerate the human skulls they keep at home for protection at chapels in the cemeteries. TOPSHOTS/AFP/PHOTO/ AIZAR RALDES