(260524) -- BELGRADE, May 24, 2026 (Xinhua) -- A tram runs on the road in Belgrade, Serbia, May 22, 2026. Belgrade, the capital of Serbia, serves as the country's political, economic, cultural and scientific research center. The Danube and the Sava rivers converge at Belgrade, where profound history and culture integrate with picturesque natural landscapes. (Photo by Wang Wei/Xinhua)

















