Lotsenschoner No. 5 Elbe
Nordevent GmbH, <a href="//commons.wikimedia.org/wiki/Derivative_works#What_is_a_derivative_work?" class="mw-redirect" title="Derivative works">derivative work</a> <a href="//commons.wikimedia.org/wiki/User:L%C3%A4mpel" title="User:Lämpel">Lämpel</a>
CC BY-SA 2.0
Nordevent GmbH