Betonski BrodOctober 3, 2017 in Serbia
One of only 3 surviving concrete ships worldwide.
Concrete ship "SIP" is one of the two remaining concrete ships in Europe, made in a series of 50 copies in 1943 in Germany, under the direct order of Hitler. It was designed to transport wounded people from the Baltic Sea to Germany. Being concrete it was immune to floating mines which were magnetised and therefore attracted to metal hulls.Read more