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Young refugees stand against a crumbling mud-wall along a road as they wait for the arrival of United Nations High Commissioner for Refugees Antonio Guterres at IFO-2 complex of the sprawling Dadaab refugee camp on May 8, 2015. Dadaab refugee camp currently houses some 350,000 people and for more than 20 years has been home to generations of Somalis who have fled their homeland wracked by conflicts. But Kenya's government asked the UN refugee agency (UNHCR) to close the camp after an attack on Kenyas Garissa University by Somalia-based Al-Shabaab gunmen in April, whom are suspected to have planned and launched their attack from the camp. AFP PHOTO / TONY KARUMBA (Photo credit should read TONY KARUMBA/AFP/Getty Images)

Young refugees stand against a crumbling mud-wall along a road as they wait for the arrival of United Nations High Commissioner for Refugees Antonio Guterres at IFO-2 complex of the sprawling Dadaab refugee camp on May 8, 2015. Dadaab refugee camp currently houses some 350,000 people and for more than 20 years has been home to generations of Somalis who have fled their homeland wracked by conflicts. But Kenya's government asked the UN refugee agency (UNHCR) to close the camp after an attack on Kenyas Garissa University by Somalia-based Al-Shabaab gunmen in April, whom are suspected to have planned and launched their attack from the camp. AFP PHOTO / TONY KARUMBA (Photo credit should read TONY KARUMBA/AFP/Getty Images)
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AFP TONY KARUMBA

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A young refugee sits near a crumbling mud-wall along a road as she waits for the arrival of United Nations High Commissioner for Refugees Antonio Guterres at IFO-2 complex of the sprawling Dadaab refugee camp on May 8, 2015. Dadaab refugee camp currently houses some 350,000 people and for more than 20 years has been home to generations of Somalis who have fled their homeland wracked by conflicts. But Kenya's government asked the UN refugee agency (UNHCR) to close the camp after an attack on Kenyas Garissa University by Somalia-based Al-Shabaab gunmen in April, whom are suspected to have planned and launched their attack from the camp. AFP PHOTO / TONY KARUMBA (Photo credit should read TONY KARUMBA/AFP/Getty Images)

A young refugee sits near a crumbling mud-wall along a road as she waits for the arrival of United Nations High Commissioner for Refugees Antonio Guterres at IFO-2 complex of the sprawling Dadaab refugee camp on May 8, 2015. Dadaab refugee camp currently houses some 350,000 people and for more than 20 years has been home to generations of Somalis who have fled their homeland wracked by conflicts. But Kenya's government asked the UN refugee agency (UNHCR) to close the camp after an attack on Kenyas Garissa University by Somalia-based Al-Shabaab gunmen in April, whom are suspected to have planned and launched their attack from the camp. AFP PHOTO / TONY KARUMBA (Photo credit should read TONY KARUMBA/AFP/Getty Images)
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AFP TONY KARUMBA

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A Somali refugee girl plays behind a crumbling mud wall as she heads to madrassa or Islamic school at the IFO-2 camp of the sprawling Dadaab refugee camp, north of the Kenyan capital Nairobi, April 28, 2015. AFP PHOTO/Tony KARUMBA (Photo credit should read TONY KARUMBA/AFP/Getty Images)

A Somali refugee girl plays behind a crumbling mud wall as she heads to madrassa or Islamic school at the IFO-2 camp of the sprawling Dadaab refugee camp, north of the Kenyan capital Nairobi, April 28, 2015. AFP PHOTO/Tony KARUMBA (Photo credit should read TONY KARUMBA/AFP/Getty Images)
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An overview of the part of the eastern sector of the IFO-2 camp in the sprawling Dadaab refugee camp, north of the Kenyan capital Nairobi seen on April 28, 2015. AFP PHOTO/Tony KARUMBA (Photo credit should read TONY KARUMBA/AFP/Getty Images)

An overview of the part of the eastern sector of the IFO-2 camp in the sprawling Dadaab refugee camp, north of the Kenyan capital Nairobi seen on April 28, 2015. AFP PHOTO/Tony KARUMBA (Photo credit should read TONY KARUMBA/AFP/Getty Images)
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AFP TONY KARUMBA

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A refugee stands with her son just outside a fenced perimeter to see United Nations High Commissioner for Refugees Antonio Guterres during his visit at IFO-2 complex of the sprawling Dadaab refugee camp on May 8, 2015. Dadaab refugee camp currently houses some 350,000 people and for more than 20 years has been home to generations of Somalis who have fled their homeland wracked by conflicts. But Kenya's government asked the UN refugee agency (UNHCR) to close the camp after an attack on Kenyas Garissa University by Somalia-based Al-Shabaab gunmen in April, whom are suspected to have planned and launched their attack from the camp. AFP PHOTO / TONY KARUMBA (Photo credit should read TONY KARUMBA/AFP/Getty Images)

A refugee stands with her son just outside a fenced perimeter to see United Nations High Commissioner for Refugees Antonio Guterres during his visit at IFO-2 complex of the sprawling Dadaab refugee camp on May 8, 2015. Dadaab refugee camp currently houses some 350,000 people and for more than 20 years has been home to generations of Somalis who have fled their homeland wracked by conflicts. But Kenya's government asked the UN refugee agency (UNHCR) to close the camp after an attack on Kenyas Garissa University by Somalia-based Al-Shabaab gunmen in April, whom are suspected to have planned and launched their attack from the camp. AFP PHOTO / TONY KARUMBA (Photo credit should read TONY KARUMBA/AFP/Getty Images)
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AFP TONY KARUMBA