12:06Outlook'If I cried the River Nile, let it be'BBC World Service Duration: 50 minutes Thu 18th Aug 2016, 12:06 on BBC World ServiceAvailable for over a yearListen nowKujiek Kuajien was reunited with his mother in South Sudan after 16 years Show more GenresFactualLife StoriesFormatsMagazines & ReviewsBrandOutlook Source: BBC Online