Representatives of member states of the Central European Initiative (CEI) attend a summit of the heads of government of the Central European Initiative (CEI) in Sarajevo, BiH, on Dec. 13, 2016. Denis Zvizdic, the chairman of the Council of Ministers of Bosnia and Herzegovina (BiH), opened a summit of the heads of government of the Central European Initiative (CEI) here on Tuesday. (Xinhua/Haris Memija)
