Leaders attending an informal European Union (EU) summit pose for a group photo after the first part of discussions of the summit in Bratislava, Slovakia, Sept. 16, 2016. The leaders of 27 EU countries want to showcase their unity and prove that the bloc is a unique project, Slovak Prime Minister Robert Fico said upon arrival at an informal EU summit held in Bratislava Friday. (Xinhua/Andrej Klizan)
