![Migrants wait in line to receive free food during a snowfall outside a derelict customs warehouse in Belgrade, Serbia January 9, 2017.](/sites/default/files/multimedia_images_2017/eca-2017-migrants-serbia.jpg)
Migrants wait in line to receive free food during a snowfall outside a derelict customs warehouse in Belgrade, Serbia January 9, 2017.
© 2017 Marko Djurica/Reuters
Migrants wait in line to receive free food during a snowfall outside a derelict customs warehouse in Belgrade, Serbia January 9, 2017.