Afghan migrants rest near a boat that is being stored at a warehouse , which is used as a shelter for refugees and migrants at the Athens' port of Piraeus, on Monday, Feb. 29, 2016. Border restrictions further north in the Balkans have left thousands of refugees and other migrants stranded in a country that is still wracked by its own financial crisis and unable to seal its lengthy sea border with Turkey. (AP Photo/Thanassis Stavrakis), APTOPIX