Visiting Serbian President Aleksandar Vucic (L) addresses a press conference with Croatian President Kolinda Grabar-Kitarovic in Zagreb, Croatia, on Feb. 12, 2018. The presidents of Croatia and Serbia pledged Monday to work on easing tensions between the two neighboring countries issued from a bloody break-up of former Yugoslavia in the 1990s, amid protests by Croatian war veterans. (Xinhua/Igor Soban)