There is actually two different streams on the left and the right of the footway, respectively, and they are not connected here. Instead, coming from Mühlenteich the Western one which is dubbed "Este-Umgehungsgerinne" turns from this point to the North-West and West crossing below two small bridges then joining the river Este. The Eastern stream is rather a chute (Schlot).

Pontacol GmbH, Alter Postweg 19-21

Sirius Business Park, Alter Postweg 13-15

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das Gebäude existiert nicht mehr