Syrian children welcome German Chancellor Angela Merkel (L) during a visit to a refugee camp on April 23, 2016 on the Turkish-Syrian border in Gaziantep. German Chancellor Angela Merkel arrived in Turkey for a visit along with top EU officials aimed at boosting a crucial deal Europe hopes will ease the worst migrant crisis since the Second World War. / AFP / STR (Photo credit should read STR/AFP/Getty Images)
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