FILE - In this Sunday, Feb. 28, 2016 file photo, refugees stand in from of a wire fence that separates Greece and Macedonia as they a waiting with other to be allowed to cross the border near the Greek village of Idomeni. The fields of Idomeni were never a proper border crossing between Greece and Macedonia. It’s where the freight trains cross, and earlier in the crisis refugees and migrants traveling clandestinely through the Balkans used it as they followed the tracks _ on foot _ north toward central Europe. Soon it became a major staging point in the biggest mass movement of people the continent has seen since vast displaced populations were being repatriated in the bloody aftermath of World War II. (AP Photo/Petros Giannakouris, File)

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