In Torit, where hot winds kick up sand and tiny dik-diks prance through her back door for a visit, Crystal is far from her family but close to their hopes for her.
Read MoreHow does a family-practice doctor with a love for sailing end up as the leader of a ministry team in the remote hills of landlocked South Sudan?
Read MoreRay and Jill Davis were supposed to retire. Instead, they moved to South Sudan.
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