bärwalder see, hydrophon recording
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bärwalder see, klitten harbour, water sound of the lake - bärwalder see, hydrophon recording by Frank Schulte (26.11.2009 20:40) [aporee.org/CC-BY-SA]
bärwalder see, klitten harbour, water sound of the lake - bärwalder see, hydrophon recording by Frank Schulte (26.11.2009 20:40) [aporee.org/CC-BY-SA]