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From file: Children learning at an asylum reception center in Germany, 2016 | Photo: picture alliance/P. Steffen
Police at the Roszke crossing on the border between Serbia and Hungary | Photo: Reuters
Migrants who have crossed the Serbian-Hungarian border are taken by bus to a camp guarded by police | Photo: Picture-alliance/dpa/L.Witter
Greek police in front of a refugee camp outside Thessaloniki | Photo: AFP/S.Mitrolidis
Symbolbild - Kopftuch am Arbeitsplatz (picture-alliance/dpa/K. Nietfeld)