Souq Omdurman, a sprawling market, is broken down and deserted in Omdurman, Sudan. The more than a century-old Sheikh GaribAllah Mosque sits defaced, its sky-gray walls pockmarked with bullet holes.

FILE - South Sudan's President Salva Kiir Mayardit, silhouetted, gives an address during the launch of high-level peace talks for South Sudan at State House in Nairobi, Kenya, on Thursday ...