Full coverage: President Xi Visits 3 Nations, Attends SCO Summit

Full coverage: China’s Leaders

BELGRADE, June 17, 2016 (Xinhua) -- Chinese President Xi Jinping (L) and Serbian President Tomislav Nikolic attend a ceremony to lay the cornerstone for a Chinese culture center in Belgrade, Serbia, June 17, 2016. (Xinhua/Lan Hongguang)

BELGRADE, June 17, 2016 (Xinhua) -- Chinese President Xi Jinping and his wife Peng Liyuan, accompanied by Serbian President Tomislav Nikolic and his wife, visit the historic Kalemegdan in Belgrade, Serbia, June 17, 2016. (Xinhua/Ma Zhancheng)

BELGRADE, June 17, 2016 (Xinhua) -- Chinese President Xi Jinping and his wife Peng Liyuan, accompanied by Serbian President Tomislav Nikolic and his wife, visit the historic Kalemegdan in Belgrade, Serbia, June 17, 2016. (Xinhua/Ma Zhancheng)