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A woman holds her child as refugees and migrants get off a dinghy upon their arrival on the Greek island of Lesbos after crossing the Aegean Sea from Turkey on November 12, 2015. EU leaders attending a summit with their African counterparts approved a 1.8-billion-euro trust fund for Africa aimed at tackling the root causes of mass migration to Europe. AFP PHOTO / BULENT KILIC        (Photo credit should read BULENT KILIC/AFP/Getty Images)
A woman holds her child as refugees and migrants get off a dinghy upon their arrival on the Greek island of Lesbos after crossing the Aegean Sea from Turkey on November 12, 2015. EU leaders attending a summit with their African counterparts approved a 1.8-billion-euro trust fund for Africa aimed at tackling the root causes of mass migration to Europe. AFP PHOTO / BULENT KILIC        (Photo credit should read BULENT KILIC/AFP/Getty Images)

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Refugees forced to pay thousands of dollars for passage

CNN's Arwa Damon crosses from Turkey to Greece by boat, to retrace the refugees' journey to Europe.

Refugees forced to pay thousands of dollars for passage

CNN's Arwa Damon crosses from Turkey to Greece by boat, to retrace the refugees' journey to Europe.