Swedish Prime Minister Stefan Lofven (1st L, front) speaks with German Chancellor Angela Merkel (1st R, front) at a family picture session during an informal EU summit in Salzburg, Austria, Sept. 20, 2018. European Union (EU) leaders on Wednesday kicked off a two-day informal summit in the Austrian city of Salzburg, focusing on the controversial issues of migration and Brexit. (Xinhua/Ye Pingfan)