In pics: refugees and migrant children in Athens

A refugee child attends class inside the Schisto refugee camp in Schisto in the suburb of Piraeus, Greece. A total of 609 people including 275 children, mostly Afghans, have been received since 2016 by the Schisto refugee camp, built from a military camp with the support of Greek government and international and local organizations and NGOs including UNHCR, UNICEF, the Danish Refugee Council and the Network for Children's Rights. (Xinhua/Marios Lolos)