This is a 2001 photo of the 'Serengeti' ferry between Unguja and Pemba. That ferry is the former 'Vlieland' that used to sail in the Netherlands between Harlingen on the Frisian mainland and the island Vlieland
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/33073950@N08/">Huub Gelderblom</a>
CC BY-SA 2.0
<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/33073950@N08/15185539078/">007_9 The 'Serengeti' ferry between Unguja and Pemba, the former 'Vlieland'</a>