The "Naturpark-Express Oberes Donautal" is a train mostly meant for 
bicyclists running on the line Sigmaringen - Tuttlingen - Immendingen
on weekends in summer. The train consists of two type NE81 railcars of
the HzL and a special bike vagon inbetween.
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Picture taken 21.09.97 at Inzigkofen (5 km west of Sigmaringen), the 
railcar in the front being VT42, the one at the end either VT41 or VT43.
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Photo and Scan by David J&uuml;rgens <david.juergens@student.uni-tuebingen.de>