In this photo taken on Sunday, March 1, 2015, a boat carries civilians across the White Nile between Upper Nile state capital Malakal and the village of Wau Shilluk, in South Sudan. Thousands of civilians in South Sudan's Upper Nile state face starvation after the government blocked aid groups from using the Nile River to deliver relief food, aid agencies said Friday, July 31, 2015. (Photo by Jason Patinki/AP Photo)
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