Kustošak

Kustošak is a stream passing through the neighbourhoods of Kustošija and Trešnjevka in Zagreb, Croatia.

It is located on the western part of Medvednica Mountain's southern slope.

Parts of the stream were covered in the course of the city's expansion,[2] and several retention basins have been built.

[3] In May 2013 and March 2014, the stream was polluted by a fluorescent green liquid,[4][5] which caused a dying of frogs.

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