Sudanese fleeing to Egypt face challenges despite deep ties and interwoven histories Enlarge this image toggle caption Aya Batrawy/NPR Aya Batrawy/NPR ASWAN, Egypt — Sudan and Egypt are neighbors with deep ties and interwoven histories, and they share a common lifeline: the Nile River. Enlarge this image toggle caption Aya Batrawy/NPR Aya Batrawy/NPR Until recently, Egypt had been granting visitor …