German Development Minister Mueller Visits South Sudan And Mali [Getty Images]

JUBA, SOUTH SUDAN - MARCH 27: German Development Minister Gerd Mueller visits a refugee camp of United Nations Mission in the Republic of South Sudan (UNMISS) on March 27, 2014 in Juba, South Sudan. Mueller is on a two day trip to Southsudan and Mali. (Photo by Thomas Trutschel/Photothek via Getty Images)

Photothek Thomas Trutschel