Vice president of the United States Joseph Biden (L) shakes hand with Serbian prime minister Aleksandar Vucic before their press conference in Belgrade, Serbia, Aug. 16. 2016. Biden arrived in Belgrade Tuesday and held separate meetings with Serbian Prime Minister Aleksandar Vucic and President Tomislav Nikolic, with whom he discussed bilateral relations, issues of regional peace and stability as well as the country's progress in European integrations. (Xinhua/Predrag Milosavljevic)
