TOPSHOTS A Palestinian boy walks over the rubble of his old school, destroyed in fighting between Syrian government forces and rebels, in the Set Zaynab Palestinian refugee camp south Damascus on October 13, 2014. Of the 530,000 Palestinian refugees registered in Syria 12 to 15 percent have left for neighbouring countries, says the UN agency for Palestinian refugees, since the start of the war in Syria. AFP PHOTO/ YOUSSEF KARWASHAN