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ZAATARI, JORDAN - DECEMBER 10: Shadow of children playing in the Child Friendly Space from Save The Children at Zaatari refugee camp located 10 km East of Mafrag on December 10, 2014 in Zaatari, Jordan. The camp population is estimated at 81,000 refugees.( Photo by Thomas Koehler/Photothek via Getty Images)

ZAATARI, JORDAN - DECEMBER 10: Shadow of children playing in the Child Friendly Space from Save The Children at Zaatari refugee camp located 10 km East of Mafrag on December 10, 2014 in Zaatari, Jordan. The camp population is estimated at 81,000 refugees.( Photo by Thomas Koehler/Photothek via Getty Images)