After the control room were originally the rows of seats for the passengers. When the submarine was converted for research purposes they have been removed. To show this there were plans to install two rows of seats again. Swiss museum of transportation in Lucerne, Switzerland, Nov 3, 2014. (13/15)
<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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