People paddle on Danube River in Vienna, Austria, Aug. 20, 2025. (Xinhua/He Canling)
People walk on a bridge over Danube River at sunset in Vienna, Austria, Aug. 20, 2025. (Xinhua/He Canling)
People paddle on Danube River at sunset in Vienna, Austria, Aug. 20, 2025. (Xinhua/He Canling)