Lake Vrana
Lake Vrana is the biggest natural lake and of the largest wetlands in Mediterranean Croatia. It is two to five meters deep, and it is a cryptodepression – a geographical phenomenon where the surface of the lake's water is above sea level, and the bottom is below it. The narrow karst ridge is a natural barrier between the lake and the sea, but due to its porosity, the sea enters the lake waters and makes it salty.
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