Greek Prime Minister Alexis Tsipras (L) talks with visiting European Commissioner for Migration, Home Affairs and Citizenship Dimitris Avramopoulos at the Prime Minister's Office in Athens, Greece, on Sept. 19, 2018. Mr. Tsipras and Mr. Avramopoulos had the opportunity to discuss about the refugee issue that continues to concern the European Union. (Xinhua/Marios Lolos)