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Photo by: Abd Raouf

** FILE ** Two unidentified German aid workers who were kidnapped five weeks earlier in Sudan's Darfur region arrive at the airport in Khartoum, Sudan, on Tuesday, July 27, 2010. The two men, who worked for the Technisches Hilfswerk, or THW, a German state agency that does development work, were released without force with the help of Sudanese security forces and are in good health, officials said. (AP Photo/Abd Raouf)

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