Belgrade, Serbia. 26th Nov, 2016. Refugees charging their moblie phones in a park in the centre of Belgrade, Serbia, 26 November 2016. The mobile phones provide indispensable contact to families left at home and the exchange of information about escape routes. Photo: Thomas Brey/dpa/Alamy Live News

- Image ID: HA4H6R
Belgrade, Serbia. 26th Nov, 2016. Refugees charging their moblie phones in a park in the centre of Belgrade, Serbia, 26 November 2016. The mobile phones provide indispensable contact to families left at home and the exchange of information about escape routes. Photo: Thomas Brey/dpa/Alamy Live News
dpa picture alliance / Alamy Stock Photo
Image ID: HA4H6R