The passage through the drive unit with view in the direction of the access ladder. Visitors have to be careful because it is narrow and there are many edges and corners. Swiss museum of transportation in Lucerne, Switzerland, Nov 3, 2014. (6/15)
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/70981241@N00">Kecko</a> from Switzerland (Rheintal SG)
CC BY 2.0
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