River cruise ship <i>Donauprinzessin</i> on the Danube, 1988.
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<a href="//commons.wikimedia.org/wiki/Flickr" class="mw-redirect" title="Flickr">Flickr</a>: <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/27520000@N08/2582312261">Danube Riverboat</a>