European Commission President Jean-Claude Juncker (M) meets with Lithuania President Dalia Grybauskaite (2nd L), Latvia Prime Minister Maris Kucinskis (2nd R), Estonia Prime Minister Juri Ratas (1st L) and Poland Prime Minister Mateusz Morawiecki (1st R) at the EU Commission prior to the spring EU Summit, in Brussels, Belgium, March. 22, 2018. (Xinhua/Ye Pingfan)