"... Hasendorfdüne is a" parabolic dune ". The prevailing westerly winds inflated it as a shifting dune with a typical U-shape thousands of years ago. There used to be numerous such sand dunes on the north banks of the Senne brooks. In the last 200 years, many shifting dunes have disappeared due to sand excavation or agricultural interests. ... "
July 4, 2021
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