The town has a high percentage of Nubians in its population; these people, though fully integrated into Egyptian society, remain proud of their separate cultural identity.
A high percentage of the town's population is Nubian. 
mnli hypothesis: A high percentage of the town's population is Nubian.  premise: The town has a high percentage of Nubians in its population; these people, though fully integrated into Egyptian society, remain proud of their separate cultural identity.