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The section on the "Erdbach" makes no sense as written. There is no explanation of what the Erdbach is. Most likely this is a stream or creek. Perhaps the underlying rock is limestone, and this is karst topography where "sinks" are commonplace (i.e., the stream has opened up a sinkhole, into which it flows. But without some description of what's going on here, this is meaningless. — Preceding unsigned comment added by TwelveGreat (talk • contribs) 11:20, 9 May 2016 (UTC)