The city lies on two international waterways, at the confluence of the Sava and Danube in north central Serbia.

该市地处两个国际水道，在萨瓦河和多瑙河在塞尔维亚中部北部汇合。

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Coordinated internationally by the Ocean Conservancy, the activity of cleaning up beaches and waterways takes place on an international level.

UNESCO: SIV Backchat participates in beach clean

"It's unheard of, " said Yao Songqiao, a Beijing-based consultant with International Rivers, a nongovernmental organization that focuses on protecting waterways.

WSJ: Dead Pigs Worry Shanghai

"It's unheard of, " said Yao Songqiao, a Beijing-based consultant with International Rivers, a non-governmental organization that focuses on protecting waterways.

WSJ: Floating, Dead Pigs Repulse Shanghai